Patent US3856018A successfully refreshed from Google Patents.
US2987725A
Expired / Lapsed
US
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Staple driving and forming blade mechanism
Assignee: International Staple and Machine Co
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Filing: 1958-02-24
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Granted: 1961-06-13
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Expires: 1978-02-24
Abstract
No abstract record available.
Inventors
- 👤 George P Heilman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:05
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/02; B25C5/0221; B25C5/0257; B25C5/0264; B25C5/0271
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1377295A
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US1155141A
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US1746496A
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US1761640A
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US2195889A
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US2422641A
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US2722001A
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US2606320A
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US2847674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |