Manual of U.S. Patent Classification
as of June 30, 2000

Class
473
GAMES USING TANGIBLE PROJECTILE

Class definitions may be accessed by clicking on the class title, above.
Subclass definitions may be accessed by clicking on the subclass number, below.

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Subclass		Title
ClassTitle		===> GAMES USING TANGIBLE PROJECTILE
1		BILLIARDS OR POOL
2		. Practice device or device to aid in aiming cue or cue ball during shots (e.g., to assist in bank shots, etc.)
3		. Adapted to be played on floor, ground, or court
4		. Table or gameboard
5		. . With mechanical ball projector
6		. . Convertible between billiard and pool (i.e., between pocketed and nonpocketed)
7		. . . Using pocket blocking device positionable only in vicinity of pocket (e.g., pocket plug, rail piece, etc.)
8		. . . Using interchangeable, shiftable, reversible, or removable cushion rails
9		. . . Invertible playing surface
10		. . Convertible to another type of furniture or to different type of game playing surface
11		. . . Rail vertically raised or lowered relative to bed
12		. . . Vertically movable playing surface
13		. . . Detachable or hinged rail
14		. . . Convertible to different type of game playing surface
15		. . Readily foldable or collapsible
16		. . Rotatable playing surface
17		. . Having pocket or other target with ball actuated indicator
18		. . Playing surface having unconventional peripheral configuration defined by the carom rails
19		. . Attachment or accessory providing plural pockets or other targets located at only one end of playing surface
20		. . Playing surface having unconventional number, entrance opening, or arrangement of pockets or having additional or shiftable carom or bumper means thereon
21		. . Table attached ball rack
22		. . . With conveying chutes interconnecting pockets with ball rack
23		. . . . With means to distinguish or identify each ball pocketed
24		. . . . Coin controlled
25		. . . . With means to separate or segregate store balls pocketed by each player or team
26		. . . . Ball rack also constitutes or includes spotting rack
27		. . With means to prevent unauthorized use of table or to limit playing time or number of games played
28		. . Pocket structure
29		. . Playing surface structure (i.e., bed structure)
30		. . . Device for securing playing surface covering (e.g., for securing billiard table cloth, etc.)
31		. . Rail structure
32		. . . Cushioned portion thereof
33		. . Frame or leg structure
34		. . Dust cover therefor
35		. Cue chalker
36		. . Chalk holder
37		. . . With means for automatically applying chalk
38		. . . Flexibly tethered
39		. . . Secured to generally fixed support
40		. Ball spotting rack
41		. . With ball carrying or storage means
42		. Cue rest
43		. . Hand attached or engaged by hand in vicinity of cue supporting portion
44		. Cue
45		. . Mechanically operated
46		. . Disparate attachment therefor or convertible to or combined with disparate device
47		. . With user adjustable or changeable weight
48		. . Axially telescopic
49		. . Tip or tip fastener therefor
50		. . . Clamp or press
51		. . . Striking portion formed of material other than leather
52		. Ball
53		. . Having characteristic enabling ball to be mechanically separated from other balls
54		BOWLING
55		. Practice or assist device
56		. . For handicapped person
57		. . Selective pin setter
58		. . Ball path indicator
59		. . Bowler worn or carried
60		. . . Including means for positive engagement with ball
61		. . . Finger support or guide
62		. . . Wrist support or guide
63		. . . Arm or elbow support or guide
64		. Handling of pin or pin representation
65		. . Including electrical cycle sequence control
66		. . Including means for conserving energy
67		. . With indicator
68		. . . Tethered or pivotal pin
69		. . . Pinfall
70		. . . . Score
71		. . . . . Including electromechanical calculating means
72		. . . Foul
73		. . Pin setter
74		. . . Rollable, translatable, or simulative target
75		. . . Pivotal pin
76		. . . . Pivot substantially at base of pin
77		. . . . With spring detent
78		. . . Tethered pin
79		. . . . Tethered at base of pin
80		. . . . . Including reset lever or crank
81		. . . . Including means to remove dead wood
82		. . . . . Pin biased away from bed
83		. . . Manually loadable
84		. . . . Including means to upright pin
85		. . . Magnetic force acts on pin
86		. . . For alternative pin sets
87		. . . Including means to lift live wood
88		. . . . With compensation for pin offset
89		. . . Including distributor
90		. . . . Including means to convey pin to distributor
91		. . . . . Including elevator
92		. . With compensation for pin offset
93		. . Pit cushion or actuator therefor
94		. . Pin guide or conveyor
95		. . . Distributor
96		. . . . Pivotable chute or conveyor
97		. . . Elevator
98		. . . . With ball separator
99		. . . And ball handling
100		. . . Sweep
101		. . Pin sensor
102		. . Pin spot
103		. . . Including means for positive pin alignment
104		. . . . Retractable peg
105		. . . . Socket-type
106		. Ball handling or diverting means
107		. . Mechanical projector
108		. . Tethered ball
109		. . Means to change or curve ball path
110		. . Ball return
111		. . . Ball lift or elevator
112		. . . Mechanical means for ball retarding or arresting
113		. . Gutter structure
114		. . Backstop, division board, or adjunct therefor
115		. Alley or board structure
116		. . Portable game board, table, or alley
117		. . With nonwooden alley surface or lining
118		. Pin
119		. . Composite structure (e.g., distinct layers, components, joint, etc.)
120		. . . With reinforcing filament, fiber, or fabric
121		. . . With metal shell or skin
122		. . . With wooden component
123		. . . . Laminated or attached wooden components
124		. . . . With end or bottom reinforcing preform
125		. Ball
126		. . With weight block
127		. . With specific grip means
128		. . . Thumb or finger hole grip
129		. . . . Size or depth adjusting means
130		. . . . Removable insert or bushing
131		GOLF
132		. Ball feeding means and tee
133		. . Adjustable tee height
134		. . Condition responsive feeding means (e.g. automatic)
135		. . . Pneumatic
136		. . . Electrical
137		. . Pivotal arm ball feed
138		. Projectile tethered to swingable implement
139		. Anchored (e.g., tethered, etc.) projectile
140		. . With electrical sensor or electrical indicator
141		. . . Pictorial flight path image display
142		. . Spool for tether
143		. . With force or direction indicator and tether
144		. . . Linear spring indicator
145		. . Force or direction indicator associated with projectile moving around a horizontal axis
146		. . Force or direction indicator associated with projectile moving around a vertical axis
147		. . Spherical projectile attached to tether
148		. . Plural projectiles
149		. . Projectile moves around vertical axis
150		. Projectile addressing surface and target, or distance marker (e.g., course, putting green with cup, driving range, miniature golf course, etc.)
151		. . Electrical sensor or electrical indicator responsive to swingable implement or projectile
152		. . . Sensor is projectile responsive (e.g., free-flight detection means, etc.)
153		. . . . Projectile in receiver indicator
154		. . . . Target impact responsive
155		. . . . Including sensor responsive to projectile on addressing surface or in flight (e.g., tee-target time detection, etc.)
156		. . . . . Pictorial flight path image display
157		. . Non-earth fairway
158		. . . And obstacle (e.g., miniature golf course windmill, etc.)
159		. . . Target is surface positioned aperture
160		. . . . Selectively contourable (e.g., slope simulating surface, etc.)
161		. . . . . Motor actuation
162		. . . . Collapsible (e.g., for storage, etc.)
163		. . . . Projectile return
164		. . . Projectile rebounds off target
165		. . Particular projectile (e.g., reduced flight ball, etc.)
166		. . Projectile return
167		. . Fairways extending radially from centrally located addressing surface or target
168		. . Plural addressing surfaces (e.g., driving range, etc.)
169		. . . Having sequential play (e.g., regulation earth course, etc.)
170		. . . . Upstanding target (e.g., wicket, bucket, etc.)
171		. . . Putting green
172		. . Upstanding target
173		. Target or obstacle (e.g., putting hole, hole marker, sand trap, etc.)
174		. . Target on putting surface
175		. . . Receiver is cup in earth (e.g., regulation hole in green, etc.)
176		. . . . Having cup marker (e.g., flag pin, etc.) or with sensor responsive to projectile
177		. . . . . And projectile removal
178		. . . . . . Electrical actuation (e.g., solenoid, etc.)
179		. . . . Cup diameter restriction means (e.g., filler plug, etc.)
180		. . . Receiver or projectile responsive indicator
181		. . . . Selectively adjustable approach surface
182		. . . . Projectile return
183		. . . . . Electrical actuation
184		. . . . . Gravity
185		. . . . Plural receivers
186		. . . . Displaceable by projectile impact
187		. . . . . Resilient or pivotal portion arranged in a circle to retain projectile
188		. . . . . . Top of projectile engaged
189		. . . . . Pivotal element
190		. . Projectile responsive sensor (e.g., target impact indicator, etc.)
191		. . . And projectile return
192		. . . Electrical sensor
193		. . . Projectile adheres to target
194		. . Having projectile return
195		. . Projectile receiving aperture (e.g., goal opening, etc.)
196		. . . Aperture forming surface forms plane parallel to support surface
197		. . Net
198		. Moving projectile responsive sensor or indicator
199		. . Electrical
200		. . Indicator integral with projectile
201		. Hand on grip positioning aid or grip indicator
202		. . With electrical sensor or electrical indicator
203		. . Integral handle having finger conforming configurations
204		. . Angularly related integral grip portions
205		. . Worn on hand (e.g., glove, etc.)
206		. . Removably attachable to swingable implement
207		. Practice device attachable to body
208		. . Attachable to head, neck, or mouth
209		. . . Electrical
210		. . . Sighting element (e.g., eyeglasses, etc.)
211		. . . With displaceable indicator responsive to head movement
212		. . Attachable to arm, hand, or wrist
213		. . . Wrist
214		. . . Spans elbow
215		. . Attachable to hips, torso, or waist
216		. . . Waist encircling belt anchored to static structure
217		. . Attachable to foot
218		. Foot positioning aid and indicator associated with swingable implement
219		. Practice swingable implement or indicator associated with swingable implement
220		. . With lighting (e.g., laser, etc.) means attachable to or integral with implement
221		. . With electrical sensor or electrical indicator
222		. . . Sensor positioned apart from implement to interact with a separate cooperating sensor means attachable to or integral with implement
223		. . . Integral with or attachable to swingable implement
224		. . . . Audible indicator
225		. . . Sensor integral with projectile addressing surface
226		. . Device attachable to or integral with swingable implement
227		. . . Nonhandle element engagable with body
228		. . . Air resistance device (e.g., airfoil, etc.)
229		. . . Anchored (e.g., tethered, etc.) swingable implement
230		. . . Wheel
231		. . . Adjustable swingable implement, or swing or position indicator
232		. . . . Alterable shaft provides swing force indication
233		. . . . Swing speed indicator
234		. . . . . Audible
235		. . . . Projectile retained by head of swingable implement during swing
236		. . . . Projection on face of swingable implement head provides reduced striking area
237		. . . . Indication is a mark made by implement swing
238		. . . . Adjustable implement or static position indicator (e.g., with respect to the golfer, projectile, target, etc.)
239		. . . . . Adjustable shaft length
240		. . . . . Reflective element
241		. . . . . Bubble leveler
242		. . . . . Integral with or attachable to swingable implement head
243		. . . . . . Self-standing implement
244		. . . . . . Selectively adjustable positioning means
245		. . . . . . . Adjustable loft angle
246		. . . . . . . . And adjustable lie angle
247		. . . . . . . . Longitudinal bore in head receives elongated member about which head pivots
248		. . . . . . . Adjustable lie
249		. . . . . . Surface on head simulates ball
250		. . . . . . Having transparent or translucent element
251		. . . . . . Used for putting
252		. . . . . . . Horizontally spaced linear indicia perpendicular to projectile striking face
253		. . . . . . . . And vertically spaced apart indicia
254		. . . . . . . Vertically spaced apart indicia
255		. . . . . . . T-shaped head
256		. . . Particularly weighted practice implement
257		. . Swingable implement swing path indicator
258		. . . Head or shaft continuously engaged during swing
259		. . . . Closed loop
260		. . . . Swingable implement head engaged
261		. . . Barrier which monitors swingable implement head movement
262		. . . . Barrier is projectile addressing surface
263		. . . . Self-righting
264		. . . . Plural barriers, vertically spaced apart
265		. . . . Plural barriers, horizontally spaced apart
266		. Body movement or position indicator (e.g., stance aids, etc.)
267		. . Reflective device
268		. . Sighting device directing golfer`s visual focus toward a point to restrain head movement
269		. . Responsive to weight shift
270		. . Foot positioning aid
271		. . . Having separate body engagable member
272		. . . Selectively adjustable with pivotal members
273		. . . Selectively adjustable with linearly slidable member (e.g., telescopically extendible)
274		. . Engaged with head or neck
275		. . . And separate body engagable member
276		. . Engaged with arm or shoulder
277		. . Engaged with hips, torso, or waist
278		. Practice projectile addressing surface (e.g., driving mat, etc.)
279		. . Selectively adjustable (e.g., tiltable etc.)
280		. Practice projectile
281		. . Having air resistance device
282		. Club or club support
283		. . And scorekeeping device
284		. . And tee
285		. . And ball position marker
286		. . And turf repair tool or ball retriever
287		. . Club set
288		. . . Interchangeable handle, striking face, or shaft
289		. . . Particular correlated shaft flexural characteristic
290		. . . Particular correlated head characteristic
291		. . . . Mass distribution
292		. . Head, shaft, and handle having particular combined center of gravity
293		. . Player faces target (e.g., croquet style putter, etc.)
294		. . Hands spaced apart on handle
295		. . Rotatable handle
296		. . Longitudinally adjustable handle or shaft
297		. . Particularly weighted handle
298		. . Grip or handle having particular nonwinding attachment to shaft (e.g., quick detachable, etc.)
299		. . . Reattachable
300		. . Grip
301		. . . Spiral winding
302		. . . . Having recess or projection
303		. . . Having longitudinal recess or projection
304		. . One piece head and shaft
305		. . Head and shaft connection
306		. . . Threaded shaft
307		. . . Detachable and reattachable
308		. . . Sleeve or winding engaged over outside of joint, hosel, and shaft
309		. . . Joint formed with sleeve engaging shaft and hosel
310		. . . . Resilient sleeve engaging hosel and outer shaft wall
311		. . . Shaft contacts sole
312		. . . Having core (e.g., weight, etc.) positioned in head engaging shaft end
313		. . . Putter
314		. . . Particular relationship between shaft longitudinal axis and head orientation
315		. . . Noncircular shaft end wall engages hosel
316		. . Shaft
317		. . . Reduced air resistance
318		. . . Including nonmetallic material or vibratory wave modifying feature
319		. . . . Filament (e.g., fiber, etc.) or sheet wrapped about shaft longitudinal axis
320		. . . . . Including metal
321		. . . . And metal
322		. . . . Sections connected along longitudinally extending seam
323		. . . Shaft tapered in steps
324		. . Head
325		. . . Plural striking faces
326		. . . Liquid interior
327		. . . Reduced air resistance
328		. . . Reduced ground resistance
329		. . . Striking face surface deforms upon impact (e.g., resilient, etc.)
330		. . . Curved, grooved, or roughened striking face
331		. . . . Plural grooves
332		. . . Vibratory wave (e.g, shock wave, etc.) modifying feature
333		. . . With element displaceable with respect to another head element during swing
334		. . . Selectively adjustable weighting element
335		. . . . Embedded in head
336		. . . . . Elongated horizontal bore
337		. . . . . . Perpendicular to projectile striking face
338		. . . . . In vertical bore access by sole
339		. . . . . In vertical bore access through top
340		. . . Putter
341		. . . . Toe and heel weighting
342		. . . Striking face insert
343		. . . Wood composition
344		. . . . Having particular sole plate
345		. . . Hollow body
346		. . . . With internal support rib or injected material
347		. . . Embedded fiber composition
348		. . . . Including metal
349		. . . Particular material composition or mass distribution
350		. . . . Recess or cavity behind striking face
351		. Ball
352		. . Buoyant
353		. . Having locator means
354		. . Liquid interior
355		. . Hollow pockets between spherical core and cover
356		. . Wound interior
357		. . . Surrounding non-wound spherical core
358		. . . . Hollow core
359		. . . . Metal core or winding
360		. . . . . Wound wire
361		. . . . Plural diverse layers between core and cover
362		. . . . . Diverse tension in wound layers
363		. . . . . Nonwound layer
364		. . . . . . Plural diverse nonwound layers
365		. . . . Having particular cover
366		. . . . Wound wide band
367		. . Interior includes injected or compressed material
368		. . . Injected material
369		. . . . Injected gas
370		. . . Diverse layer between shperical core and cover
371		. . Particular unitary or layered construction
372		. . . Containing metal
373		. . . . Diverse layer between spherical core and cover
374		. . . Diverse layer between spherical core and cover
375		. . . . Hollow core
376		. . . . Plural diverse layers
377		. . . Diverse cover and interior
378		. . Particular cover (e.g., size, material, dimple pattern, etc.)
379		. . . Icosahedral dimple pattern
380		. . . Cuboctahedral dimple pattern
381		. . . Dodecahedral dimple pattern
382		. . . Octahedral dimple pattern
383		. . . Particular dimple detail
384		. . . . Depth or width
385		. . . Containing metal
386		. Tee setting device
387		. Tee
388		. . Folded flat stock material
389		. . . Separable from pack containing plural tees
390		. . Plural
391		. . . Separable or separately movable
392		. . Projectile supporting surface horizontally offset from vertical insertable shank
393		. . . Tether
394		. . Restrained by auxiliary weight
395		. . Wire
396		. . Relatively movable sections
397		. . . Pivotal about distinct horizontal axis
398		. . . Elevation guide
399		. . Particular biodegradable or frangible material
400		. . Elevation guide for insertable shank
401		. . Plural diverse materials
402		. . Shank extends below level of projectile addressing surface
403		. . . At acute angle with surface
404		. Green slope indicator
405		. Accesory device located on projectile addressing surface (e.g., tee block, direction indicator, etc.)
406		. Ball position marker
407		. Club selection, ball direction, or distance indicating aid
408		. Player manipulated turf repair tool
409		. Method
410		CROQUET; GAME ELEMENT OR ACCESSORY THEREFOR
411		. Arch type of goal or target, per se (i.e., croquet wicket)
412		. Player-carried, nonmechanical projector, per se (e.g., a mallet, etc.)
413		. Ball, per se
414		HOPSCOTCH
415		PLAYING FIELD OR COURT GAME; GAME ELEMENT OR ACCESSORY THEREFOR OTHER THAN PROJECTOR OR PROJECTILE, PER SE
416		. Having game element combined with or convertible to game element or practice or training device for different type of projectile game
417		. Means removably supporting projectile in position to be struck and thereby projected by player (e.g., batting tee, etc.)
418		. . Projectile suspended or is supported by column of fluid
419		. . Having means engaging top of projectile (e.g., kicking trainer or tee, etc.)
420		. . For projectile intended to be projected by kicking (e.g., kicking trainer or tee, etc.)
421		. Batting backstop or cage
422		. Practice or training device
423		. . Tethered projectile
424		. . . Tether attached to means adapted to be held by, carried by, or attached to person
425		. . . . Person held, carried, or attached means is nonmechanical projector
426		. . . Projectile tethered between opposed tether sections
427		. . . Projectile continuously driven in closed orbit prior to being struck
428		. . . Projectile slidable along a line
429		. . . Tether pivotally attached for orbital revolution
430		. . . Projectile suspended by tether
431		. . Having projectile return means
432		. . . Return chute
433		. . . . With or for basketball-type goal
434		. . . Deflector
435		. . . . Planar
436		. . . Using moving arm or rotating wheel
437		. . Weight externally mounted by user to manually held and swung projector for warmup or exercise
438		. . For football or rugby
439		. . . Projectile target or stop
440		. . . Running grid or resistance course
441		. . . Blocking, tackling, or charging device
442		. . . . Suspended or suspendible dummy
443		. . . . . Suspension movable in horizontal plane
444		. . . . Self-erecting or person-supported dummy
445		. . . . Dummy mounted on support enabling traverse over ground or floor during training (e.g., charging sled, etc.)
446		. . For game using apertured or pocketed goal or target (e.g., for hockey, soccer, polo, lacrosse, etc.)
447		. . . For game using elevated, horizontally disposed goal or target (e.g., for basketball, etc.)
448		. . . . Hoop-opening reducer or means for improving arch of ball shot toward goal or target
449		. . . . Rebound or tipping trainer
450		. . . . Player worn or carried
451		. . For game in which play involves base running (e.g., for baseball, cricket, etc.)
452		. . . Foot positioner (e.g., stance, stride device, etc.)
453		. . . Bat swing analyzer or guide
454		. . . Pitcher`s target
455		. . . . With electrically operated or actuated indicator
456		. . . . Having subdivided strike zone
457		. . . Practice bat
458		. . . Player worn or carried
459		. . For game using field or court having dividing means thereon for separating opponents (e.g., for tennis, volleyball, table tennis, etc.)
460		. . . Projectile collector for field or court (e.g., trough, ball sweeper, etc.)
461		. . . Racket or paddle swing analyzer or guide
462		. . . Projectile target
463		. . . Practice racket or paddle
464		. . . Player worn or carried
465		. Having at least two different types of game elements used in same game
466		. . For game in which court or field is body of water (e.g., water polo, water volleyball, etc.)
467		. . Having boundary detector (e.g., ball-out-of-bounds detector for tennis court, etc.)
468		. . For game in which play involves base running (e.g., baseball, cricket, etc)
469		. . Having field or court dividing barrier with apertured goal or target therein or thereon
470		. . For game using goal or target for projectile (e.g., football, rugby, etc.)
471		. . . For game in which goal or target is peripherally located aperture or pocket (e.g., hockey, soccer, lacrosse, polo, etc.)
472		. . . . For game in which peripheral goal or target is elevated and horizontally disposed (e.g., basketball, etc.)
473		. . For game using field or court having dividing means thereon for separating opponents (e.g., a net used for volleyball, etc.)
474		. . . For game also using projectors carried by players (e.g., tennis, badminton, etc.)
475		. . . . Table tennis
476		. Goal or target structure for projectile; element thereof
477		. . For football or rugby (e.g., goal post, etc.)
478		. . Apertured or pocketed goal or target (e.g., for hockey, soccer, polo, lacrosse, etc.)
479		. . . Goal or target is elevated and horizontally disposed (e.g., for basketball, etc.)
480		. . . . With goal indicator
481		. . . . Backboard or support structure therefor
482		. . . . . Suspended
483		. . . . . With height adjustment feature
484		. . . . . . Having parallelogram linkage
485		. . . . Hoop or the net, pocket, or support structure therefor
486		. . . . . Breakaway hoop
487		. . . . . Having means for mounting over edge of support
488		. . . . . Quick mount hoop
489		. . . . . Removable net-mounting subassembly
490		. Means for dividing field or court into compartments; element thereof or accessory therefor (e.g., a net, marking strip, marked line, etc.)
491		. . Net attachable to game table
492		. . Net post
493		. . . With net-tightening means
494		. . Net, with net, or for net
495		. . . Net center stay
496		. Table-tennis table
497		. Pitching rubber or mound
498		. Cricket wicket
499		. Base for game in which play involves base running (e.g., for baseball, etc.)
500		. . With indicator
501		. . Breakaway
502		. Flag belt (e.g., for use in football game without tackling, etc.)
503		. Projectile catcher other than combined projector-catcher device
504		. Cover for playing field or court (e.g., for baseball field, etc.)
505		PLAYER-HELD DEVICE FOR BOTH PROJECTING AND CATCHING AERIAL PROJECTILE; PART THEREOF OR ACCESSORY THEREFOR (I.E., COMBINED PROJECTOR-CATCHER DEVICE)
506		. With tethered projectile
507		. . Having pocketed catcher
508		. . . Having elastic tether
509		. Having projectile conducting means between separate entrance and exit (e.g., continuous orbit, etc.)
510		. Both projector and catcher are pocketed
511		. . With mechanical projection
512		. . Pocket-to-pocket type
513		. . Having pocket with laterally facing opening (e.g., lacrosse stick, jai alai cesta, etc.)
514		. Having impaling, hooking, or ensnaring type catcher
515		. Having pocketed catcher connected to but spaced apart from projector
516		PLAYER HELD AND POWERED, NONMECHANICAL PROJECTOR, PER SE, FOR PROJECTING AERIAL PROJECTILE BY STRIKING; PART THEREOF OR ACCESSORY THEREFOR
517		. Having projectile retrieving means
518		. Body attachable
519		. With user shiftable, adjustable, or interchangeable weight for use during play or with freely shiftable mass for increasing impact force
520		. With sound-deadening, vibration-damping, or shock-absorbing feature other than projectile- or hand-contact surface or with rebound reducing feature
521		. . For racket or paddle
522		. . . Contacts string
523		. . . In, under, or contacting grip
524		. Racket or paddle; accessory therefor (e.g., a tennis racket, tennis racket press, etc.)
525		. . Having striking faces attached to the ends of intermediate handle
526		. . Having handle at an angle to, offset from, or nonradially oriented relative to plane of striking member
527		. . Paddle
528		. . . Projectile striking surface is flexible sheet secured to peripheral frame
529		. . . Having resilient blade facing
530		. . . Blade having means to enhance friction upon impacted projectile (e.g., to enhance English upon projectile, etc.)
531		. . Folding or detachable shaft
532		. . Having replaceable string frame
533		. . Double strung (i.e., having striking faces formed from two spaced-apart, planar sets of strings)
534		. . With adjustable string-tensioning means
535		. . Fiber reinforced plastic frame
536		. . . Plural fiber compositions
537		. . Having dimensional characteristic or other parameter specified by a number, numeric variable, or mathematical formula (e.g., location of center of gravity, elastic modulus of a string, weight of racket, etc.)
538		. . . Of handle or grip
539		. . Elongated string-hole liner (e.g., grommet, bushing, etc.)
540		. . Having string mounting feature other than mere through-holes lying in string plane
541		. . . Extending radially inward from inner frame edge
542		. . . Having nonplanar string-hole pattern or arrangement in frame
543		. . Prefabricated string assembly, means to prevent relative movement or wear at crossover points of strings, or having one or more strings with specified characteristic or arrangement
544		. . Nonmetallic frame having metallic reinforcement or frame composed of metal-plastic composite
545		. . Metallic frame
546		. . Throat wedge, bridge, or reinforcement
547		. . Having laminated frame
548		. . String guard, frame bumper or guard, or specified shaft to head connection
549		. . Handle or grip structure
550		. . . Dispensing, cooled, or externally ventilated
551		. . . Having hand or finger conforming contour, through-hole for finger, portion overlying back of hand, projecting hand stop or positioner spaced from butt, wrist strap, or nonstandard transverse cross-section
552		. . . Grip or handle longitudinally or rotationally adjustable relative to head or shaft or changeable in length
553		. . Accessory for use with racket or paddle (e.g., used with or for tennis racket, etc.)
554		. . . Press
555		. . . Racket frame holder or support for use while stringing
556		. . . . With stringing or string-stretching device
557		. . . Stringing or string-stretching device
558		. Mallet
559		. Club
560		. . Having elongated blade (e.g., hockey stick, etc.)
561		. . . Fiber reinforced
562		. . . Stick to blade joint construction
563		. . . Blade construction or accessory
564		. Bat (e.g., baseball bat, etc.)
565		. . Having elongated blade (e.g., cricket bat, etc.)
566		. . Of metallic-shell structure
567		. . Of plastic composition
568		. . Grip
569		PROJECTILE, PER SE; PART THEREOF OR ACCESSORY THEREFOR
570		. With light-emitting, electrical, magnetic, or rotatable inertial means or having boundary-detector activating means
571		. With sound-producing means
572		. Having suction cup
573		. Having bristled, hooked, or looped surface for adherence to complementarily surfaced means (e.g., Velcro@ material, etc.)
574		. Having means for nonpenetrating adherence to complementarily surfaced means (e.g., tacky surface, etc.)
575		. Having attached or means for attaching thereto tether, elongated flaccid streamer, or the like
576		. . Attached tether, streamer, or the like has means adapted to be held by, carried by, or attached to person
577		. Scattershot, material dispensing upon impact, openable to expose interior chamber, or having parts adapted to move away from, or be separated from, one another upon impact
578		. Arrow, dart, or shuttlecock; part thereof
579		. . Shuttlecock (e.g., badminton shuttlecock, etc.)
580		. . . Having independent feathers or vanes
581		. . Having fluid-conducting means
582		. . Head structure
583		. . . Broadhead
584		. . . . Having interchangeable blade
585		. . . And vane structure (i.e., flight guiding or stabilizing means)
586		. . Vane structure (i.e., flight guiding or stabilizing means)
587		. Curling stone
588		. Disk- or ring-shaped (e.g., ice hockey puck, etc.)
589		. . Ring-shaped (e.g., deck-tennis quoit, etc.)
590		. Boomerang
591		. Horseshoe
592		. Tipcat
593		. Having self-contained means for inflating, pressurizing, reinflating, or repressurizing projectile with fluid or comprising reinflating or repressurizing method
594		. Having loose internal element, containing or adapted to contain liquid, or comprising spherically configured ball having variable or eccentric center of gravity
595		. Having means other than ellipsoidal spheroid shape (e.g., football shaped, etc.) to produce erratic or unpredictable rebounding or rolling thereof
596		. Having handle or surface configuration for enhancing user`s handgrip thereon
597		. . Grip-enhancing means comprises closure or seam of casing or cover or comprises simulation of such closure or seam (e.g., lacing of football casing, etc.)
598		. Comprising casing or cover having stitched seam or laced closure; blank for such casing or cover (e.g., casing of baseball, etc.)
599		. . For distensible bladder (e.g., casing of football, etc.)
600		. Having solid core within outer cover; core or cover therefor (e.g., baseball, etc)
601		. . And having intermediate layer between core and cover or having core or cover composed of plural layers
602		. . . Having plural intermediate layers, at least one being of material diverse from material of core, cover, or another intermediate layer; or having core or cover composed of three or more layers, at least two being of diverse materials
603		. Having fluid-retaining bladder removable from within enclosing cover or casing (e.g., football, etc.)
604		. Having hollow core or bladder enclosed within cover (e.g., basketball, soccer-ball, tennis ball, etc.)
605		. . And having intermediate layer composed of wrapping of strands or strips between cover and core or bladder
606		. . Cover is composed of feltlike, napped, or cloth material (e.g., tennis ball, etc.)
607		. Comprising cover for core; blank or closure therefor
608		. . Closure therefor
609		. Having hollow, fluid-impervious shell, core, or bladder
610		. . With sealable opening, valve, or inflation tube for insertion of fluid (e.g., beach ball, etc.)
611		. Comprising opening, valve, or inflation tube for insertion of fluid
612		. Having visible skeletal structure
613		. Having fluid-dynamic means other than stitched seam or textured surface to alter, stabilize, or retard passage of projectile through the fluid (e.g., spiral fluting to impart spin, etc.)
614		. Having projections extending outwardly from external surface or consisting of a mass of radially oriented filaments
615		. Player held or worn means for enhancing movement of projected projectile (e.g., a handheld, ball-curving assist means, etc.)
		******************************
		FOREIGN ART COLLECTIONS
		******************************
		Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collection listed below. These collections contain ONLY foreign patents or nonpatent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
FOR 100		BASKETBALL (273/1.5R)
FOR 101		. Basketball training devices (273/1.5A)
FOR 102		BASEBALL (273/25)
FOR 103		. Practice devices (273/26R)
FOR 104		. . Target or backstop (273/26A)
FOR 105		. . Bats (273/26B)
FOR 106		. . Player worn (273/26C)
FOR 107		. . Ball pitching devices (273/26D)
FOR 108		. . Tethered (273/26E)
FOR 109		. . Tethered balls slidable along a line (273/26EA)
FOR 110		. Field covers (273/27)
FOR 111		. Ball curvers (273/28)
FOR 112		TENNIS (273/29R)
FOR 113		. Table (273/30)
FOR 114		. Court marking strips (273/31)
FOR 115		. Practice (273/29A)
FOR 116		. Nets (273/29B)
FOR 117		. . Net center stay (273/29BA)
FOR 118		. . Net post (273/29BB)
FOR 119		. . . Net tightening (273/29BC)
FOR 120		. . . . Reel (273/29BD)
FOR 121		. . . . Lever (273/29BE)
FOR 122		. . . . Screw (273/29BF)
FOR 123		. . . . Rotating post (273/29BG)
FOR 124		FOOTBALL (273/55R)
FOR 125		. Tackling dummies (273/55A)
FOR 126		. Kicking tees and kicking trainers (273/55B)
FOR 127		. Flag belts (273/55C)
FOR 128		. Goal post structure (273/55D)
FOR 129		CROQUET (273/56)
FOR 130		. Tables and boards (273/57)
FOR 131		HOPSCOTCH (273/57.1)
FOR 132		HOCKEY
FOR 133		FENCING (273/57.3)
FOR 134		BALLS (273/58R)
FOR 135		. Baseball (273/60R)
FOR 136		. . Covers (273/60A)
FOR 137		. . No windings (273/60B)
FOR 138		. Tennis (273/61R)
FOR 139		. . Ping-pong balls (273/61A)
FOR 140		. . Fabrics, per se (273/61B)
FOR 141		. . Rubber formulations (273/61C)
FOR 142		. . Methods of pressurizing (273/61D)
FOR 143		. Football and basketball (273/65R)
FOR 144		. . Closure (273/65A)
FOR 145		. . Bladders (273/65B)
FOR 146		. . Valves: composite (273/65C)
FOR 147		. . Valves: rubber (273/65D)
FOR 148		. . Casings (273/64E)
FOR 149		. . . Nonball art (273/65EA)
FOR 150		. . . Windings (273/65EB)
FOR 151		. . . Weighted (273/65EC)
FOR 152		. . . Ball making methods (273/65ED)
FOR 153		. . . One-piece construction (273/65EE)
FOR 154		. . . Spiraling and electrical (273/65EF)
FOR 155		. . . Gripping structure (273/65EG)
FOR 156		. . Closure means (273/65F)
FOR 157		. Solid and covered (273/58A)
FOR 158		. Hollow: single layer (273/58B)
FOR 159		. Plural layer (273/58BA)
FOR 160		. Tethered (273/58C)
FOR 161		. Skeleton (273/58D)
FOR 162		. Sounding (273/58E)
FOR 163		. Loose internal elements (273/58F)
FOR 164		. Including electrical components (273/58G)
FOR 165		. Liquid containing (273/58H)
FOR 166		. rubber formulation (273/58J)
FOR 167		. Surface projections (273/58K)
FOR 168		BAT, MALLET, RACKET, OR BILLY (273/67R)
FOR 169		. Baseball (273/72R)
FOR 170		. . Metal shell (273/72A)
FOR 171		. Tennis (273/73R)
FOR 172		. . Presses and cases (273/74)
FOR 173		. . Handle grips (273/75)
FOR 174		. . Table (273/76)
FOR 175		. . Stringing devices (273/73A)
FOR 176		. . Stretching devices (273/73B)
FOR 177		. . Bow structure (273/73C)
FOR 178		. . String fastener or guides (273/73D)
FOR 179		. . Adjustable tension (273/73E)
FOR 180		. . Laminated nonmetallic (273/73F)
FOR 181		. . Throat structure (273/73G)
FOR 182		. . Metal (273/73H)
FOR 183		. . Handle structure, per se (273/73J)
FOR 184		. . Metal reinforced (273/73K)
FOR 185		. . Replaceable string frame (273/73L)
FOR 186		. Croquet (273/83)
FOR 187		. Police clubs (273/84R)
FOR 188		. . Electric shock (273/84ES)
FOR 189		. Hockey sticks (273/67A)
FOR 190		. Hand or foot attached (273/67B)
FOR 191		. Polo mallet (273/67C)
FOR 192		. Cricket bat (273/67D)
FOR 193		. . Handle structure (273/67DA)
FOR 194		. . Grips, guards, and weights (273/67DB)
FOR 195		. . Blade facings (273/67DC)
FOR 196		. Combined projector and catcher (273/318)
FOR 197		. . Tethered projectile (273/319)
FOR 198		. . . Pocketed catcher (273/320)
FOR 199		. . . . Elastic tether (273/321)
FOR 200		. . Separate entrance and exit (e.g., continuous orbit, etc.) (273/322)
FOR 201		. . Pocketed projector and catcher (273/323)
FOR 202		. . . Mechanical projection (273/324)
FOR 203		. . . Pocket-to-pocket (273/325)
FOR 204		. . . Transversely extending pocket (e.g., lacrosse stick) (273/326)
FOR 205		. . Impaling, hooking, or ensnaring type catcher (273/327)
FOR 206		. . Pocketed catcher-separate projector (273/328)
FOR 207		. Tipcoat game, projectile therefor, or accessory (273/341)
FOR 208		. Projectile or target having suction cup (273/344)
FOR 209		. Projectile or target having magnetized material for adherence therebetween (273/345)
FOR 210		. Projectile or target having complementary bristled, micro-hooked, or looped material for adherence therebetween (e.g., Velcro@ material, etc.) (273/346)
FOR 211		. Projectile or target having complementary means for nonpenetrating adherence therebetween (e.g., tacky surface, etc.) (273/347)
FOR 212		. Playing field or court game; or accessory therefor (e.g., volleyball, soccer, etc.) (473/411)
FOR 213		. Tethered projectile (273/413)
FOR 214		. . Tethered to means engageable with human body part (e.g., hand-held means or means attachable to human body part) (273/414)
FOR 215		. Scattershot projectile or beanbag projectile (273/415)
FOR 216		. Arrow, dart, shuttlecock, or element thereof (273/416)
FOR 217		. . Shuttlecock (273/417)
FOR 218		. . Material dispensing upon impact or having fluid conducting means (273/418)
FOR 219		. . Head structure (273/419)
FOR 220		. . . And vane structure (i.e., flight guiding or stabilizing means) (273/420)
FOR 221		. . . Broadhead (273/421)
FOR 222		. . . . Interchangeable blade (273/422)
FOR 223		. . Vane structure (i.e., flight guiding or stabilizing means) (273/423)
FOR 224		. Disc or ring projectile (273/424)
FOR 225		. . Ring (273/425)
FOR 226		. Boomerang projectile (273/426)
FOR 227		. Horseshoe projectile (273/427)
FOR 228		. Nonspherical projectile (273/428)
FOR 229		. Projectile (273/128R)
FOR 230		. . Curling stones (273/128CS)
FOR 231		. . Rollable (273/128A)

Information Products Division -- Contacts

Questions regarding this report should be directed to:

U.S. Patent and Trademark Office
Information Products Division
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tel: (703) 306-2600
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---

Last Modified: 6 October 2000