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Class   400TYPEWRITING MACHINES
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[List of Pre Grant Publications for class 400 subclass 1][List of Patents for class 400 subclass 1]1 INCLUDING JUSTIFICATION OR QUADDING OF PRINT-LINE
 [List of Pre Grant Publications for class 400 subclass 2][List of Patents for class 400 subclass 2]2 Subclass 2 indent level is 1 Including quadding of print-line
[List of Pre Grant Publications for class 400 subclass 3][List of Patents for class 400 subclass 3]3 Subclass 3 indent level is 1 By programmed-control-system
[List of Pre Grant Publications for class 400 subclass 4][List of Patents for class 400 subclass 4]4 Subclass 4 indent level is 2 On auxiliary-record-program (e.g., tape, card, etc.)
 [List of Pre Grant Publications for class 400 subclass 8][List of Patents for class 400 subclass 8]8 Subclass 8 indent level is 1 By using "no-print" device
[List of Pre Grant Publications for class 400 subclass 9][List of Patents for class 400 subclass 9]9 Subclass 9 indent level is 1 By interword or intercharacter spacing
 [List of Pre Grant Publications for class 400 subclass 10][List of Patents for class 400 subclass 10]10 Subclass 10 indent level is 2 Variable carriage-feed mechanism
 [List of Pre Grant Publications for class 400 subclass 11][List of Patents for class 400 subclass 11]11 Subclass 11 indent level is 2 Carriage slidable relative to its carriage-rack
[List of Pre Grant Publications for class 400 subclass 12][List of Patents for class 400 subclass 12]12 Subclass 12 indent level is 2 By interword spacing only
 [List of Pre Grant Publications for class 400 subclass 14][List of Patents for class 400 subclass 14]14 Subclass 14 indent level is 1 By typing line on stretchable medium
 [List of Pre Grant Publications for class 400 subclass 15][List of Patents for class 400 subclass 15]15 Subclass 15 indent level is 1 Including justification indicator
[List of Pre Grant Publications for class 400 subclass 16][List of Patents for class 400 subclass 16]16 FOR TYPING OR FORMING CONTINUOUS OR DISCONTINUOUS LINE (E.G., BY "LINER")
 [List of Pre Grant Publications for class 400 subclass 17][List of Patents for class 400 subclass 17]17 Subclass 17 indent level is 1 Including programmed-control-system
[List of Pre Grant Publications for class 400 subclass 18][List of Patents for class 400 subclass 18]18 Subclass 18 indent level is 1 By scriber (e.g., pen, pencil, etc.) or with scriber guide
 [List of Pre Grant Publications for class 400 subclass 19][List of Patents for class 400 subclass 19]19 Subclass 19 indent level is 2 For writing in script
 [List of Pre Grant Publications for class 400 subclass 20][List of Patents for class 400 subclass 20]20 Subclass 20 indent level is 2 Rotatable disc scriber
 [List of Pre Grant Publications for class 400 subclass 21][List of Patents for class 400 subclass 21]21 Subclass 21 indent level is 1 Responsive to carriage movement
 [List of Pre Grant Publications for class 400 subclass 22][List of Patents for class 400 subclass 22]22 Subclass 22 indent level is 1 Underscoring concurrently with character imprinting
[List of Pre Grant Publications for class 400 subclass 23][List of Patents for class 400 subclass 23]23 FOR TYPING ON FLAT RECORD-MEDIUM OR AGAINST FLAT PLATEN
[List of Pre Grant Publications for class 400 subclass 24][List of Patents for class 400 subclass 24]24 Subclass 24 indent level is 1 For typing on a book
 [List of Pre Grant Publications for class 400 subclass 25][List of Patents for class 400 subclass 25]25 Subclass 25 indent level is 2 Including a type-head (e.g., cylinder, disc, etc.)
 [List of Pre Grant Publications for class 400 subclass 26][List of Patents for class 400 subclass 26]26 Subclass 26 indent level is 2 Against cylindrical backing
 [List of Pre Grant Publications for class 400 subclass 27][List of Patents for class 400 subclass 27]27 Subclass 27 indent level is 2 Including adjustment of typewriter relative to book (e.g., to compensate for book thickness)
 [List of Pre Grant Publications for class 400 subclass 28][List of Patents for class 400 subclass 28]28 Subclass 28 indent level is 2 Including adjustment of book support relative to typewriter (e.g., for top or bottom of book, etc.)
 [List of Pre Grant Publications for class 400 subclass 29][List of Patents for class 400 subclass 29]29 Subclass 29 indent level is 1 For typing on flat blueprint or drawing (e.g., "platenless" typewriter)
 [List of Pre Grant Publications for class 400 subclass 30][List of Patents for class 400 subclass 30]30 Subclass 30 indent level is 1 For typing on carton or package
 [List of Pre Grant Publications for class 400 subclass 31][List of Patents for class 400 subclass 31]31 Subclass 31 indent level is 1 By multidirectional movement of typewriter structure (e.g., "Elliot-Fisher" structure)
 [List of Pre Grant Publications for class 400 subclass 32][List of Patents for class 400 subclass 32]32 Subclass 32 indent level is 1 Bottom-strike typewriter including type-bar action or bar platen or anvil platen
 [List of Pre Grant Publications for class 400 subclass 33][List of Patents for class 400 subclass 33]33 Subclass 33 indent level is 1 Top-strike typewriter including pivoted type-bar
 [List of Pre Grant Publications for class 400 subclass 34][List of Patents for class 400 subclass 34]34 Subclass 34 indent level is 1 Including carriage-return mechanism
 [List of Pre Grant Publications for class 400 subclass 35][List of Patents for class 400 subclass 35]35 Subclass 35 indent level is 1 Including case-shift by shifting platen
 [List of Pre Grant Publications for class 400 subclass 36][List of Patents for class 400 subclass 36]36 Subclass 36 indent level is 1 Including ribbon-feed mechanism
[List of Pre Grant Publications for class 400 subclass 37][List of Patents for class 400 subclass 37]37 Subclass 37 indent level is 1 For typing on manifold set (e.g., with type-die, etc.)
 [List of Pre Grant Publications for class 400 subclass 38][List of Patents for class 400 subclass 38]38 Subclass 38 indent level is 2 Including feeding of wide carbon paper transverse to feed of record-medium
 [List of Pre Grant Publications for class 400 subclass 39][List of Patents for class 400 subclass 39]39 Subclass 39 indent level is 2 Including spool for roll of carbon paper
 [List of Pre Grant Publications for class 400 subclass 40][List of Patents for class 400 subclass 40]40 Subclass 40 indent level is 2 Including clamp or guide for carbon paper
 [List of Pre Grant Publications for class 400 subclass 41][List of Patents for class 400 subclass 41]41 Subclass 41 indent level is 2 Including adjustment of platen perpendicular to its surface
 [List of Pre Grant Publications for class 400 subclass 42][List of Patents for class 400 subclass 42]42 Subclass 42 indent level is 2 Including aligning and feeding manifold set
 [List of Pre Grant Publications for class 400 subclass 43][List of Patents for class 400 subclass 43]43 Subclass 43 indent level is 1 Including feed of tally strip
[List of Pre Grant Publications for class 400 subclass 44][List of Patents for class 400 subclass 44]44 Subclass 44 indent level is 1 Including line-spacing mechanism
 [List of Pre Grant Publications for class 400 subclass 45][List of Patents for class 400 subclass 45]45 Subclass 45 indent level is 2 Platen shifted for line-spacing
 [List of Pre Grant Publications for class 400 subclass 46][List of Patents for class 400 subclass 46]46 Subclass 46 indent level is 2 Including adjustment of line-space distance or increment
 [List of Pre Grant Publications for class 400 subclass 47][List of Patents for class 400 subclass 47]47 Subclass 47 indent level is 2 Including disengagement of line-spacing mechanism
 [List of Pre Grant Publications for class 400 subclass 48][List of Patents for class 400 subclass 48]48 Subclass 48 indent level is 1 Work support (e.g, sheet or card holddown or guide, sheet-size platen, etc.)
 [List of Pre Grant Publications for class 400 subclass 49][List of Patents for class 400 subclass 49]49 Subclass 49 indent level is 1 Collating-table attachment
[List of Pre Grant Publications for class 400 subclass 50][List of Patents for class 400 subclass 50]50 INCLUDING DELAY MEANS FOR PREVENTING MALFUNCTION IN POWERED TYPEWRITER
 [List of Pre Grant Publications for class 400 subclass 51][List of Patents for class 400 subclass 51]51 Subclass 51 indent level is 1 Delay of sequential character rate in programmed-control typewriter
 [List of Pre Grant Publications for class 400 subclass 52][List of Patents for class 400 subclass 52]52 Subclass 52 indent level is 1 Delay by storage of next character to be imprinted
 [List of Pre Grant Publications for class 400 subclass 53][List of Patents for class 400 subclass 53]53 INCLUDING ADJUSTMENT MEANS TO COMPENSATE FOR WEAR
 [List of Pre Grant Publications for class 400 subclass 54][List of Patents for class 400 subclass 54]54 SAFETY SWITCH OR CONDITION-RESPONSIVE-CUTOFF SWITCH FOR ELECTRICALLY POWERED TYPEWRITER
[List of Pre Grant Publications for class 400 subclass 55][List of Patents for class 400 subclass 55]55 INCLUDING ADJUSTMENT FOR OPTIMUM PRINTING PLANE
 [List of Pre Grant Publications for class 400 subclass 56][List of Patents for class 400 subclass 56]56 Subclass 56 indent level is 1 Responsive to thickness of record-medium
 [List of Pre Grant Publications for class 400 subclass 57][List of Patents for class 400 subclass 57]57 Subclass 57 indent level is 1 In accordance with the number of sheets of record-medium
 [List of Pre Grant Publications for class 400 subclass 58][List of Patents for class 400 subclass 58]58 Subclass 58 indent level is 1 By adjustment of platen relative to carriage
[List of Pre Grant Publications for class 400 subclass 59][List of Patents for class 400 subclass 59]59 Subclass 59 indent level is 1 By adjustment of carriage (e.g, carriage-guide rollers)
 [List of Pre Grant Publications for class 400 subclass 60][List of Patents for class 400 subclass 60]60 Subclass 60 indent level is 2 Via adjustment of case-shift linkage
[List of Pre Grant Publications for class 400 subclass 61][List of Patents for class 400 subclass 61]61 INCLUDING CONTROL OF FORMAT AND SELECTION OF TYPE-FACE BY PROGRAMMED CONTROL-SYSTEM (E.G., INPUT TYPEWRITER)
 [List of Pre Grant Publications for class 400 subclass 62][List of Patents for class 400 subclass 62]62 Subclass 62 indent level is 1 Including means for responding to input program or incoming signals and providing output program or signals representing typing operations (e.g., output typewriter)
 [List of Pre Grant Publications for class 400 subclass 63][List of Patents for class 400 subclass 63]63 Subclass 63 indent level is 1 Including editing or revision system
 [List of Pre Grant Publications for class 400 subclass 64][List of Patents for class 400 subclass 64]64 Subclass 64 indent level is 1 Including right-hand margin control system
 [List of Pre Grant Publications for class 400 subclass 65][List of Patents for class 400 subclass 65]65 Subclass 65 indent level is 1 Including typing of graphical representations
 [List of Pre Grant Publications for class 400 subclass 66][List of Patents for class 400 subclass 66]66 Subclass 66 indent level is 1 Including baseplate attachment with electromagnets for input or output operations
[List of Pre Grant Publications for class 400 subclass 67][List of Patents for class 400 subclass 67]67 Subclass 67 indent level is 1 Separate interrelated programs
 [List of Pre Grant Publications for class 400 subclass 68][List of Patents for class 400 subclass 68]68 Subclass 68 indent level is 2 Including message writing (e.g, address program, form-letter program, etc.)
 [List of Pre Grant Publications for class 400 subclass 69][List of Patents for class 400 subclass 69]69 Subclass 69 indent level is 1 Type-face selection via magnetic program tape
[List of Pre Grant Publications for class 400 subclass 70][List of Patents for class 400 subclass 70]70 INCLUDING SELECTION OF TYPE-FACE BY PROGRAMMED-CONTROL-SYSTEM OR BY REMOTE CONTROL
 [List of Pre Grant Publications for class 400 subclass 71][List of Patents for class 400 subclass 71]71 Subclass 71 indent level is 1 Plural typewriters coupled for simultaneous operation (e.g., "master-slave" relationship)
 [List of Pre Grant Publications for class 400 subclass 72][List of Patents for class 400 subclass 72]72 Subclass 72 indent level is 1 Including character-selection latches (e.g., for type-face selection)
 [List of Pre Grant Publications for class 400 subclass 73][List of Patents for class 400 subclass 73]73 Subclass 73 indent level is 1 Including particular reader structure and operation
 [List of Pre Grant Publications for class 400 subclass 74][List of Patents for class 400 subclass 74]74 Subclass 74 indent level is 1 Including error detection
 [List of Pre Grant Publications for class 400 subclass 75][List of Patents for class 400 subclass 75]75 Subclass 75 indent level is 1 Including type-bar selection using mechanical program
 [List of Pre Grant Publications for class 400 subclass 76][List of Patents for class 400 subclass 76]76 INCLUDING CONTROL OF FORMAT BY PROGRAMMED-CONTROL-SYSTEM
[List of Pre Grant Publications for class 400 subclass 77][List of Patents for class 400 subclass 77]77 TYPEWRITER CONTROLS OTHER INFORMATION RECORDER
[List of Pre Grant Publications for class 400 subclass 78][List of Patents for class 400 subclass 78]78 Subclass 78 indent level is 1 Typewriter controls apparatus used for accounting function
 [List of Pre Grant Publications for class 400 subclass 79][List of Patents for class 400 subclass 79]79 Subclass 79 indent level is 2 And a tape-punch or card-punch apparatus
[List of Pre Grant Publications for class 400 subclass 80][List of Patents for class 400 subclass 80]80 Subclass 80 indent level is 1 Typewriter (e.g, output typewriter) controls tape-punch or card-punch apparatus
 [List of Pre Grant Publications for class 400 subclass 81][List of Patents for class 400 subclass 81]81 Subclass 81 indent level is 2 And imprints the character represented by the punched code on the tape or card
 [List of Pre Grant Publications for class 400 subclass 82][List of Patents for class 400 subclass 82]82 INCLUDING PLURAL, INDEPENDENTLY SUPPORTED KEY-BOARDS, PLATENS, OR TYPE-SET ASSEMBLAGES
[List of Pre Grant Publications for class 400 subclass 83][List of Patents for class 400 subclass 83]83 DISPLAYING TYPEWRITER-FORMED REPRESENTATION OF PRINT-LINE
[List of Pre Grant Publications for class 400 subclass 84][List of Patents for class 400 subclass 84]84 Subclass 84 indent level is 1 By projecting typed image on screen
 [List of Pre Grant Publications for class 400 subclass 85][List of Patents for class 400 subclass 85]85 Subclass 85 indent level is 2 Including transparent or transluscent record-medium
 [List of Pre Grant Publications for class 400 subclass 86][List of Patents for class 400 subclass 86]86 OPERATING BY SOUND
 [List of Pre Grant Publications for class 400 subclass 87][List of Patents for class 400 subclass 87]87 FOR OPERATION BY HANDICAPPED USER
 [List of Pre Grant Publications for class 400 subclass 88][List of Patents for class 400 subclass 88]88 POCKET TYPEWRITER
[List of Pre Grant Publications for class 400 subclass 89][List of Patents for class 400 subclass 89]89 KEY REASSIGNMENT
 [List of Pre Grant Publications for class 400 subclass 90][List of Patents for class 400 subclass 90]90 Subclass 90 indent level is 1 Electrically powered
[List of Pre Grant Publications for class 400 subclass 91][List of Patents for class 400 subclass 91]91 STENOGRAPHIC TYPEWRITER
[List of Pre Grant Publications for class 400 subclass 92][List of Patents for class 400 subclass 92]92 Subclass 92 indent level is 1 Using common-letter type-face
 [List of Pre Grant Publications for class 400 subclass 93][List of Patents for class 400 subclass 93]93 Subclass 93 indent level is 2 Including plural type-faces mounted on carrier and movable for selection of type-face
 [List of Pre Grant Publications for class 400 subclass 94][List of Patents for class 400 subclass 94]94 Subclass 94 indent level is 1 Electrically powered
[List of Pre Grant Publications for class 400 subclass 95][List of Patents for class 400 subclass 95]95 LOGOTYPE TYPEWRITER (E.G., WORD TYPING)
 [List of Pre Grant Publications for class 400 subclass 96][List of Patents for class 400 subclass 96]96 Subclass 96 indent level is 1 Including date-stamp type-face
 [List of Pre Grant Publications for class 400 subclass 97][List of Patents for class 400 subclass 97]97 Subclass 97 indent level is 1 Including signature type-face
[List of Pre Grant Publications for class 400 subclass 98][List of Patents for class 400 subclass 98]98 Subclass 98 indent level is 1 Actuation of single key types plural characters
 [List of Pre Grant Publications for class 400 subclass 99][List of Patents for class 400 subclass 99]99 Subclass 99 indent level is 2 Characters typed simultaneously
[List of Pre Grant Publications for class 400 subclass 100][List of Patents for class 400 subclass 100]100 PLURAL-KEY-ACTUATED TYPEWRITER (E.G., PERMUTATIVE KEY-BOARD)
 [List of Pre Grant Publications for class 400 subclass 101][List of Patents for class 400 subclass 101]101 Subclass 101 indent level is 1 Having type-faces disposed on pivotable type-bars
 [List of Pre Grant Publications for class 400 subclass 102][List of Patents for class 400 subclass 102]102 Subclass 102 indent level is 1 Having type-faces disposed on rotatable type-head
[List of Pre Grant Publications for class 400 subclass 103][List of Patents for class 400 subclass 103]103 CODE-PRINTING TYPEWRITER (E.G., FOR PRINTING A PATTERN OR MARK)
[List of Pre Grant Publications for class 400 subclass 104][List of Patents for class 400 subclass 104]104 Subclass 104 indent level is 1 For typing and encoding
 [List of Pre Grant Publications for class 400 subclass 105][List of Patents for class 400 subclass 105]105 Subclass 105 indent level is 2 Including magnetic encoding
 [List of Pre Grant Publications for class 400 subclass 106][List of Patents for class 400 subclass 106]106 Subclass 106 indent level is 1 Including coded ink (e.g., phosphorescent or color-coded ink, etc.)
 [List of Pre Grant Publications for class 400 subclass 107][List of Patents for class 400 subclass 107]107 Subclass 107 indent level is 1 For coding by conductive mark
 [List of Pre Grant Publications for class 400 subclass 108][List of Patents for class 400 subclass 108]108 Subclass 108 indent level is 1 For marking laundry
[List of Pre Grant Publications for class 400 subclass 109][List of Patents for class 400 subclass 109]109 FOREIGN LANGUAGE OR BRAILLE TYPEWRITER
 [List of Pre Grant Publications for class 400 subclass 109.1][List of Patents for class 400 subclass 109.1]109.1 Subclass 109.1 indent level is 1 Braille
 [List of Pre Grant Publications for class 400 subclass 110][List of Patents for class 400 subclass 110]110 Subclass 110 indent level is 1 Including Oriental language
 [List of Pre Grant Publications for class 400 subclass 111][List of Patents for class 400 subclass 111]111 Subclass 111 indent level is 1 Including Semitic language
[List of Pre Grant Publications for class 400 subclass 112][List of Patents for class 400 subclass 112]112 ANNULAR TYPEWRITER (E.G., FOR TYPING AROUND CIRCUMFERENCE OF PLATEN)
 [List of Pre Grant Publications for class 400 subclass 113][List of Patents for class 400 subclass 113]113 Subclass 113 indent level is 1 Including vertically disposed platen
 [List of Pre Grant Publications for class 400 subclass 114][List of Patents for class 400 subclass 114]114 Subclass 114 indent level is 1 Platen axis horizontal and extending front-to-rear
 [List of Pre Grant Publications for class 400 subclass 115][List of Patents for class 400 subclass 115]115 Subclass 115 indent level is 1 Powered Actuated
[List of Pre Grant Publications for class 400 subclass 116][List of Patents for class 400 subclass 116]116 MUSIC-ROLL OR MUSICAL-NOTATION TYPEWRITER
 [List of Pre Grant Publications for class 400 subclass 117][List of Patents for class 400 subclass 117]117 Subclass 117 indent level is 1 Musical-notation typewriter
 [List of Pre Grant Publications for class 400 subclass 118.1][List of Patents for class 400 subclass 118.1]118.1 TYPING BY HEATED DIE
[List of Pre Grant Publications for class 400 subclass 118.2][List of Patents for class 400 subclass 118.2]118.2 TYPING BY OTHER THAN TYPE-FACE OR TYPE-DIE
 [List of Pre Grant Publications for class 400 subclass 118.3][List of Patents for class 400 subclass 118.3]118.3 Subclass 118.3 indent level is 1 Electroconductive transfer
[List of Pre Grant Publications for class 400 subclass 120.01][List of Patents for class 400 subclass 120.01]120.01 Subclass 120.01 indent level is 1 Thermal
[List of Pre Grant Publications for class 400 subclass 120.02][List of Patents for class 400 subclass 120.02]120.02 Subclass 120.02 indent level is 2 Multicolor