Patent US2775272A successfully refreshed from Google Patents.
US2775272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable power driven reciprocable cutting tool
Assignee: Individual
•
Filing: 1953-11-27
•
Granted: 1956-12-25
•
Expires: 1973-11-27
Abstract
No abstract record available.
Inventors
- 👤 Walter A Papworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:59
CPC Classifications
B; B23; B23D; B23D49/00; B23D49/10; B23D49/16; B23D49/162; B23D49/165; B23D51/00; B23D51/16; B23D51/161; B23D51/162; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T83/00; Y10T83/687; Y10T83/7015; Y10T83/703
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US339000A
Cited
US486169A
Cited
US1150004A
Cited
US1269883A
Cited
US1496490A
Cited
US1925348A
Cited
US2134072A
Cited
US2501631A
Cited
US2595464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |