US2631037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feeding machine
Assignee: International Business Machines Corp
•
Filing: 1947-12-05
•
Granted: 1953-03-10
•
Expires: 1967-12-05
Abstract
No abstract record available.
Inventors
- 👤 Clair D Lake
- 👤 Donald R Piatt
- 👤 James A Weidenhammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:05
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US888770A
Cited
US1152358A
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US1219426A
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US1395862A
Cited
US2178783A
Cited
US2425936A
Cited
US2233150A
Cited
US2257785A
Cited
US2353214A
Cited
US2293046A
Cited
US2431542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |