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Class Information
Number: 400/237
Name: Typewriting machines > Including interposed inking device (e.g., ribbon) for record-medium > Ribbon, per se
Description: Subject matter wherein the transfer-medium* is a ribbon* and significance is attributed to the structure or characteristics of the ribbon.

Sub-classes under this class:

Class Number Class Name Patents
400/238 Having leader portion (e.g., for threading, etc.) 20
400/240 Including differently pigmented fields 45
400/241 Particular ribbon material 45
400/239 With ribbon-reversing indicator or device on ribbon 7

Patents under this class:

Patent Number Title Of Patent Date Issued
7931413 Printing system ribbon including print transferable circuitry and elements Apr. 26, 2011
7252443 Printer capable of detecting status of unutilized ribbon Aug. 7, 2007
7182532 Thermal printing and cleaning assembly Feb. 27, 2007
7156566 Thermal printing and cleaning assembly Jan. 2, 2007
6908240 Thermal printing and cleaning assembly Jun. 21, 2005
6865988 Transfer foil for golf balls Mar. 15, 2005
6852409 Radiation-cured correction tape Feb. 8, 2005
6727933 Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print Apr. 27, 2004
6600505 Thermal printer and ink ribbon used therewith Jul. 29, 2003
6387846 Thermal transfer sheet, thermal transfer recording method, and thermal transfer recording system May. 14, 2002
6309118 Ink ribbon Oct. 30, 2001
6287029 Multi-layer ink ribbon and manufacture thereof Sep. 11, 2001
6250826 Ink ribbon, cartridge containing ink ribbon, and method of discriminating failure location from ink ribbon base film Jun. 26, 2001
6224277 Ink ribbon with adhesive for attaching end of ribbon to supply roll May. 1, 2001
6141115 Printing apparatus and printing method Oct. 31, 2000
6043833 Thermal printing ribbon for an office color printer Mar. 28, 2000
5957594 Thermo-tape unit having a thermo-tape provided with at least one marking stripe configuration Sep. 28, 1999
5853255 Thermal printer and ink ribbon used therewith Dec. 29, 1998
5820274 Color printer and ink ribbon therefor Oct. 13, 1998
5807000 Thermal transfer printer system and recording unit Sep. 15, 1998
5803627 Combination ink or dye ribbon and apparatus for nonimpact printing Sep. 8, 1998
5769549 Color thermal printer Jun. 23, 1998
5697715 Marked golf ball transfer foil therefor and preparation of golf ball using transfer foil Dec. 16, 1997
5474394 Printing apparatus Dec. 12, 1995
5445463 Combination ink or dye ribbon for nonimpact printing Aug. 29, 1995
5434597 Thermal transfer recorder Jul. 18, 1995
5424762 Color printer capable of utilizing a jointed color ink sheet Jun. 13, 1995
5340222 Ink ribbon with wire lubricant in a wire impact printer Aug. 23, 1994
5325115 Ink ribbon for color printer Jun. 28, 1994
5268704 Thermal transfer recording method reducing ground staining and improving ink transferability Dec. 7, 1993
5259680 Thermal transfer printer and ink sheet cassette for use in same Nov. 9, 1993
5196862 Apparatus and method for donor sensing at the print line in a thermal printer Mar. 23, 1993
5185315 Making encoded dye-donor films for thermal printers Feb. 9, 1993
5162816 Method for setting color of color ink ribbon in thermal transfer printer Nov. 10, 1992
5144331 Drive control method for thermal transfer printer Sep. 1, 1992
5037218 Thermal transfer printer capable of using and detecting a plurality of multicolor ribbons Aug. 6, 1991
5017029 Corrosion suppressing ink ribbon May. 21, 1991
4890120 Thermal transfer type printing device capable of selecting ink sheets Dec. 26, 1989
4797016 Ribbon indicia system Jan. 10, 1989
4771296 Transfer ribbon feed arrangement Sep. 13, 1988
4642655 Color-indexed dye frames in thermal printers Feb. 10, 1987
4630069 Color thermal transfer recording system and ribbon Dec. 16, 1986
4502057 Method and apparatus for detecting errors in an ink ribbon in a thermal transfer type multicolor printer Feb. 26, 1985
4459055 Ink ribbon which makes illegible the contents of information as transferred Jul. 10, 1984
4372582 Stabilizer for electron doner-acceptor carbonless copying systems Feb. 8, 1983
4310258 Ink ribbon lubrication by liquid silicone oil Jan. 12, 1982
4239832 Adhesively correctable transfer medium with delayed alteration resistance characteristics Dec. 16, 1980
4188139 Method and apparatus for correctably printing characters with sublimable ink Feb. 12, 1980
4161551 Adhesively correctable transfer medium with delayed alteration resistance characteristics Jul. 17, 1979
4105225 Autographic register systems Aug. 8, 1978

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