Patent US2661999A successfully refreshed from Google Patents.
US2661999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hammer type stapler
Assignee: Arrow Fastener Co LLC
•
Filing: 1951-08-17
•
Granted: 1953-12-08
•
Expires: 1971-08-17
Abstract
No abstract record available.
Inventors
- 👤 Abrams Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:14
CPC Classifications
B; B25; B25D; B25D1/00; B25D1/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2037242A
Cited
US2267719A
Cited
US2264322A
Cited
US2463507A
Cited
US2466856A
Cited
US2463579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |