Class 383: FLEXIBLE BAGS ( Manual of U.S. Patent Classification )

U.S. PATENT AND TRADEMARK OFFICE
Information Products Division

[Manual of Classification, Class Listing]

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

Class
383
FLEXIBLE BAGS

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Subclass		Title
ClassTitle		===> FLEXIBLE BAGS

1		BIODEGRADABLE FEATURE
2		SELECTIVELY ADJUSTABLE VOLUME
3		INFLATABLE
4		CONVERTIBLE
5		TAMPER INDICATING
6		LIFTING OR SUSPENDING ELEMENT (E.G., HANDLE)
7		. Unitary with bag (e.g., element formed by hand hole)
8		. . Loop extending between opposite walls
9		. . Bag material includes aperture for rodlike support
10		. . Bag material includes hand-receiving aperture
11		. Magnetic or adhesive-type element (includes Velcro)
12		. Attached to bag frame
13		. Detachable
14		. With provision for positioning element in nonuse location
15		. Plural interengaging elements
16		. Plural elements located at diverse bag regions (i.e., bag bottom, bag middle, and/or bag top)
17		. Including reinforcement or stress distribution means attached to or adjacent element
18		. . Extending across bag bottom
19		. . Extending axially through bag interior to bag bottom
20		. . Additional layer of material at element attachment location
21		. Attached to distinct end wall
22		. Hanging element
23		. . Hook-type
24		. . Closed loop
25		. Single element
26		. . Bag includes opening through bag material to receive element
27		. . . Opening extending through fold or folded bag portion
28		. . Secured to bag interior
29		. . Straddles bag mouth
30		. . Secured to folded bag closure
31		. . . Closure flap
32		WITH STACKING FEATURE
33		WITH MEANS TO MAINTAIN THE BAG MOUTH IN AN OPEN CONFIGURATION
34		. Hinged mouth stiffeners
34.1		. . Stiffeners include four or more hinged segments
35		WITH MEANS TO FACILITATE MANUAL SEPARATION OF FLATTENED BAG WALLS
36		WITH INTEGRAL FUNNEL
37		PLURAL
200		BAG HAVING MEANS TO FACILITATE OPENING IT BY SEVERING BAG MATERIAL OR BAG PART (E.G., TEARING, CUTTING, PIERCING, ETC.)
201		. Tearing facilitated by specified fiber or molecular orientation
202		. Combined with, or modified for opening by, a sharp-edged cutting implement or a piercing implement
203		. Including means for reclosing the bag
204		. . Including a bag portion which is completely separated from the bag during tearing (e.g., tear strip)
205		. Including a separate tearing element which is gripped and pulled to open the bag
206		. . Cord, string, wire, or thread
207		. Line of weakness delineates substantially the entire tearing path
208		. . Line of perforations having means for preventing leakage before opening
209		. . Bag portion completely separated from the bag during tearing
210		BAG CLOSURE SECURED BY A RELEASABLE OR FRANGIBLE BOND (E.G., PEEL SEAL)
211		. Adhesive bond
38		COMPARTMENTED
39		. Compartment-forming member secured to backing
40		. Including auxiliary compartment
41		WITH PLURAL ACCESS OPENINGS
42		WITH CLOSURE
43		. Self-closing type
44		. . Responsive to content (e.g., valve)
45		. . . With vent
46		. . . With closure reinforcing or stiffening means
47		. . . With means to facilitate opening closure
48		. . . With supplemental closing feature
49		. . . . Resilient
50		. . . . Reversely folded portion of closure element
51		. . . . Slit or slot
52		. . . . Adhesive
53		. . . In distinct end wall
54		. . . . Including separate closure element
55		. . . Folded bag corner
56		. . . . Including separate closure element
57		. . . Closure includes inwardly folded bag wall portions
58		. . . Overlying access opening in bag material
59		. Including auxiliary means for forming leakproof closure seal
60		. . Annular gasket
61		. Multiple independent closures for single access opening
62		. With provision for positioning closure element in nonuse location
63		. Rib and groove
64		. . With sliding element
65		. . Including means to facilitate disengagement
66		. For access opening in sidewall
67		. For access opening in bag bottom
68		. Elongated clamping elements
69		. . Sliding
70		. Twisted bag mouth
71		. Gathered bag mouth
72		. . Including drawstring-type securing element
73		. . . With mouth opening aid
74		. . . With means to maintain the securing element in closed configuration
75		. . . In bag hem
76		. . . Through bag openings
77		. . Securing element consisting of unitary bag portion
78		. Including separate closure element for straddling bag mouth (i.e., overlaps exterior portions of opposed bag walls)
79		. . Including securing element designed to extend through aligned openings in closure element (e.g., stitching)
80		. . Cap-type
81		. . Reusable
82		. . . Bag walls designed to be rolled together or folded on common fold line
83		. . Bag walls designed to be rolled together or folded on common fold line
84		. Including closure flap which overlaps sidewall exterior when closed
85		. . Bag walls designed to be rolled together or folded on common fold line
86		. . Reusable
86.1		. . . Including fastening element removably extending through aperture in bag material
86.2		. . . . Aperture extends through closure flap
87		. . . Flap side edges permanently secured to bag (e.g., sandwich bag type)
88		. Bag walls designed to be rolled together or folded on common fold line
89		. . With separate securing element for roll or fold
90		. . . Element extends substantially 180 degrees or more around roll or fold
91		. . . . Element extends around side edge
92		. Including securing element designed to extend through aligned openings in bag material (e.g., stitching)
93		. Closure within bag
94		. . Heat seal
95		. . Reusable
96		. . . Stopper or plug
97		. . . Zipper
98		. Overlapped flaps
99		. . Reusable
100		WITH VENTING OR VENTILATION MEANS
101		. Fluid circulates between bag plies
102		. Pervious material
103		. Opening in bag material
104		FREE-STANDING
105		WALL DETAILS
106		. Transparent portion or window
107		. Specified seam structure
108		. . Waterproof
109		. Multi-layer or ply
110		. . Insulated
111		. . Removable ply
112		. . Stretchable layer or ply
113		. . Barrier layer or ply (e.g., waterproof)
114		. . Including specified end structure
115		. . . Overlapping extension formed by cuts in bag wall
116		. . Coating or lamination
117		. Woven or mesh-type material
118		. Stretchable
119		. Reinforced
120		. Pleated or gusseted
121		END STRUCTURE (E.G. BOTTOM)
121.1		. Rigid bottom
122		. Seamless
123		. Formed by folding bag walls on common fold line and joining together
124		. . Foldable to form distinct end wall
125		. Overlapping extensions of opposed walls
126		. . Extension formed by cuts in bag wall
127		MISCELLANEOUS
		******************************
		CROSS-REFERENCE ART COLLECTIONS
		******************************
901		HOT WATER OR ICE BAG
902		HAVING NONBAG USE
903		STRESS RELIEF
904		FILLING TUBE
905		DEAD FOLD (DUCTILE) CLOSURE ELEMENT
906		DISPENSING FEATURE
907		PECULIAR, PARTICULAR SHAPE
908		MATERIAL HAVING SPECIFIED GRAIN DIRECTION OR MOLECULAR ORIENTATION

Information Products Division -- Contacts

Questions regarding this report should be directed to:

U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231
tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

Last Modified: 6 October 2000

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

Class 383 FLEXIBLE BAGS

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

Class
383
FLEXIBLE BAGS