Patent US2643376A successfully refreshed from Google Patents.
US2643376A
Expired / Lapsed
US
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Magazine and feed means for stapling machines
Assignee: Individual
•
Filing: 1950-02-28
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Granted: 1953-06-30
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Expires: 1970-02-28
Abstract
No abstract record available.
Inventors
- 👤 Loren H Semler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:18
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/02; B25C5/0221; B25C5/0242; B25C5/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1935280A
Cited
US2131473A
Cited
US2161449A
Cited
US2340717A
Cited
US2311412A
Cited
US2269744A
Cited
US2445180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |