Patent US5930348A successfully refreshed from Google Patents.
Patent US2761679A successfully refreshed from Google Patents.
US2761679A
Expired / Lapsed
US
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Sheet feeding apparatus
Assignee: Headley Townsend Backhouse
•
Filing: 1953-04-13
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Granted: 1956-09-04
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Expires: 1973-04-13
Abstract
No abstract record available.
Inventors
- 👤 Tebbs George William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:40
CPC Classifications
B; B65; B65H; B65H5/00; B65H5/08; B65H5/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1248786A
Cited
US1685166A
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US2108702A
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US2389480A
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US2486128A
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US2536356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |