US2837743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed mechanism for stapling or like machines
Assignee: Spotnails Inc
•
Filing: 1956-01-04
•
Granted: 1958-06-10
•
Expires: 1976-01-04
Abstract
No abstract record available.
Inventors
- 👤 Charles E Crooks
- 👤 William R Beckman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:08
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1630877A
Cited
US1996640A
Cited
US2482156A
Cited
US2463579A
Cited
US2585941A
Cited
US2714209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |