US3235940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper sheet-feed roller
Assignee: Eastman Kodak Co
•
Filing: 1964-01-10
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Granted: 1966-02-22
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Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 Clarence R Taylor
- 👤 Roy H Harnischfeger
- 👤 William C Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:11
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/02; B65H3/06; B65H3/0638
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
IN A PAPER SHEET-FEED ROLLER, THE COMBINATION COMPRISING: A SHAFT; AN ANNULAR SECTION OF FLEXIBLE URETHANE FOAM OF A PREDETERMINED AXIAL LENGTH MOUNTED ON SAID SHAFT; AND MEANS FOR MAINTAINING SAID FOAM ON SAID SHAFT IN A COMPRESSED STATE IN WHICH ITS AXIAL LENGTH IS APPROXIMATELY ONE-THIRD OF SAID PREDETERMINED LENGTH.
Claim 2
Dependent Claim
51 words
IN A PAPER SHEET-FEED ROLLER, THE COMBINATION COMPRISING: A SHAFT; AN ANNULAR SECTION OF FLEXIBLE URETHANE FOAM OF A PREDETERMINED AXIAL LENGTH MOUNTED ON SAID SHAFT; AND MEANS FOR MAINTAINING SAID FOAM ON SAID SHAFT IN A COMPRESSED STATE IN WHICH ITS AXIAL LENGTH IS APPROXIMATELY ONE-THIRD OF SAID PREDETERMINED LENGTH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |