US2629274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch-removing device
Assignee: Individual
•
Filing: 1948-04-19
•
Granted: 1953-02-24
•
Expires: 1968-04-19
Abstract
No abstract record available.
Inventors
- 👤 Bolduc Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:00
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/34; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53704; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53878
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190902730A
Cited
US1227877A
Cited
US1464693A
Cited
US1710835A
Cited
US2421181A
Cited
US2373064A
Cited
US2413944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |