Patent US2770804A successfully refreshed from Google Patents.
US2770804A
Expired / Lapsed
US
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Stapling machine
Assignee: Individual
•
Filing: 1954-06-23
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Granted: 1956-11-20
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Expires: 1974-06-23
Abstract
No abstract record available.
Inventors
- 👤 Schafroth Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:37
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/02; B25C5/0221; B25C5/0257; B25C5/0264; B25C5/10; B25C5/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US822527A
Cited
US1539506A
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US1541625A
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US1905241A
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US1796572A
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US1878417A
Cited
US2182594A
Cited
US2488940A
Cited
US2519617A
Cited
US2588929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |