US2743445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible cartridge or refill for stapling machines
Assignee: Swingline Inc
•
Filing: 1953-03-17
•
Granted: 1956-05-01
•
Expires: 1973-03-17
Abstract
No abstract record available.
Inventors
- 👤 Lerner Hershey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:21
CPC Classifications
B; B42; B42B; B42B4/00; B21; B21F; B21F45/00; B21F45/16; B21F45/24; B32; B32B; B32B15/00; B32B15/04; B32B15/08; F; F16; F16B; F16B15/00; F16B15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191413137A
Cited
GB312221A
Cited
US2137467A
Cited
US2181600A
Cited
US2232994A
Cited
US2376854A
Cited
US2394375A
Cited
US2405038A
Cited
US2599581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |