US2745492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch for perforating sheets to receive the rings of mechanical bindings
Assignee: WIRE O CORP
•
Filing: 1953-09-16
•
Granted: 1956-05-15
•
Expires: 1973-09-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Brook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:21
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/1896; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8841; Y10T83/8843
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1312067A
Cited
US833265A
Cited
US1553378A
Cited
US1627775A
Cited
US1660929A
Cited
US2001161A
Cited
US1968322A
Cited
US2138543A
Cited
US2244320A
Cited
US2433533A
Cited
US2459101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |