US2287768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller having surface of sponge rubber knobs
Assignee: EIDP Inc
•
Filing: 1940-05-04
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Granted: 1942-06-30
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Expires: 1960-05-04
Abstract
No abstract record available.
Inventors
- 👤 George R Eckstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:37
CPC Classifications
B; B65; B65H; B65H27/00; B65B; B65B41/00; B65B41/12; B65B41/16; B65H2404/00; B65H2404/10; B65H2404/12; B65H2404/123; B65H2404/1231; B65H2404/13; B65H2404/131; B65H2404/1316; B65H2404/132; B65H2404/1321; B65H2404/18; B65H2404/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-06-29 | 1945-12-29 | 1946-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-29 | 1949-12-29 | 1950-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-29 | 1953-12-29 | 1954-06-30 | $7700.00 | Window Closed / Lapsed |