US2953371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feeder
Assignee: Unisys Corp
•
Filing: 1957-12-31
•
Granted: 1960-09-20
•
Expires: 1977-12-31
Abstract
No abstract record available.
Inventors
- 👤 John G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:30
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/08; B65H3/14; G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/10; G06K13/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US197569A
Cited
US1154633A
Cited
US1382951A
Cited
US1617656A
Cited
US1488673A
Cited
US1710706A
Cited
US2337724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |