Patent US2654544A successfully refreshed from Google Patents.
US2654544A
Expired / Lapsed
US
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Device for use in tearing sheet material
Assignee: Individual
•
Filing: 1948-05-06
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Granted: 1953-10-06
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Expires: 1968-05-06
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Pusheck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:01
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/282; Y10T225/287; Y10T225/29; Y10T225/291; Y10T225/294
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US440928A
Cited
US1174871A
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GB225372A
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US1605030A
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US1859303A
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US1765317A
Cited
US1941957A
Cited
US2032643A
Cited
US2149869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |