Patent US2296493A successfully refreshed from Google Patents.
US2296493A
Expired / Lapsed
US
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Stapling machine
Assignee: B AND F Corp
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Filing: 1939-11-15
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Granted: 1942-09-22
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Expires: 1959-11-15
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Bernstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:35
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/16; B25C5/1606; B25C5/1624; B25C5/1627; B25C5/02; B25C5/0221; B25C5/0257; B25C5/10; B25C5/11
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) | 1945-09-21 | 1946-03-23 | 1946-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-21 | 1950-03-23 | 1950-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-21 | 1954-03-23 | 1954-09-22 | $7700.00 | Window Closed / Lapsed |