US2653316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hammer stapler
Assignee: Spotnails Inc
•
Filing: 1950-10-28
•
Granted: 1953-09-29
•
Expires: 1970-10-28
Abstract
No abstract record available.
Inventors
- 👤 William R Beckman
- 👤 Charles E Crooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:33
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/06; B25C5/08; B25C5/085; B25D; B25D1/00; B25D1/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US778995A
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US1036841A
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US1067541A
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US1133862A
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US1514913A
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US1897625A
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US2174708A
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US2239935A
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US2332257A
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US2432853A
Cited
US2399374A
Cited
US2463579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |