patentgrep
SearchCompaniesTechnologiesAPIPricingDocs
DocsGet an API key
  1. Technology classes
  2. /B · Performing operations
  3. /B41 · Printing
  4. /B41L · Apparatus or devices for manifolding, duplicating or printing for office or other
  5. /B41L 1/00 · Devices for performing operations in connection with manifolding by means of pressure-sensitive
  6. /B41L 1/20 · Manifolding assemblies
  7. /B41L 1/26 · Continuous assemblies made up of webs
  8. /B41L 1/28
B41L 1/28

In rolled or wound form

Official title: in rolled or wound form

B41L1/28 (In rolled or wound form) appears on 6 US grants and 0 published applications in this corpus.

Search patents in B41L

Where it sits

  1. BPerforming operations
  2. B41Printing
  3. B41LApparatus or devices for manifolding, duplicating or printing for office or other
  4. B41L 1/00Devices for performing operations in connection with manifolding by means of pressure-sensitive
  5. B41L 1/20Manifolding assemblies
  6. B41L 1/26Continuous assemblies made up of webs
  7. B41L 1/28In rolled or wound form
Granted patents
6
Published applications
0
Assignees
2
Inventors
2
Latest grant
31 Oct 2000

Filings by year

Granted patentsPublished applications
B41L 1/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
198710
198810
198900
199000
199100
199200
199300
199400
199520
199600
199700
199810
199900
200010

19871988198919901991199219931994199519961997199819992000

By publication year. Applications have been published since 2001.

Recent patents

  • Single-ply imprintable receipt and method of imprinting a receipt31 Oct 2000US 6,138,569 AGeneral Credit Forms, Inc.
  • Method of imprinting a single-ply imprintable receipt13 Oct 1998US 5,819,665 AGeneral Credit Forms, Inc.
  • Multiple ply paper roll26 Dec 1995US 5,478,279 AGeneral Credit Forms, Inc.
  • Multiple ply paper roll24 Jan 1995US 5,383,817 AGeneral Credit Forms, Inc.
  • Coded web and associated web handling and working machine6 Sep 1988US 4,768,410 AGerber Scientific Products, Inc.

No published applications in this class yet.

Most cited

By later US patents
  • Coded web and associated web handling and working machine29US 4,768,410 AGerber Scientific Products, Inc. · 1988
  • Coded web and associated web handling and working machine15US 4,708,901 AGerber Scientific Products, Inc. · 1987
  • Multiple ply paper roll6US 5,478,279 AGeneral Credit Forms, Inc. · 1995
  • Single-ply imprintable receipt and method of imprinting a receipt5US 6,138,569 AGeneral Credit Forms, Inc. · 2000
  • Method of imprinting a single-ply imprintable receipt4US 5,819,665 AGeneral Credit Forms, Inc. · 1998

Top assignees

Documents
  • GCGeneral Credit Forms, Inc.4
  • GSGerber Scientific Products, Inc.2

Often classified with

  • Y10TTechnical subjects covered by former us classification4
  • B26DCutting2
  • B42DBooks2
  • B65HHandling thin or filamentary material2
  • G01DMeasuring not specially adapted for a specific variable2
  • B41MPrinting, duplicating, marking, or copying processes1
  • Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1

Documents that also carry the other class.

patentgrep

Search every US patent grant since 1976 and every published application since 2001. Updated weekly from USPTO.

Product

  • Search
  • New this week
  • Where the data comes from
  • Pricing

Browse

  • Companies
  • Technology classes

Developers

  • API docs
  • PatentsView-compatible API
  • MCP server
  • Changelog

About

  • Privacy
  • Terms
© 2026 patentgrepData from USPTO bulk files