Patent US2669275A successfully refreshed from Google Patents.
US2669275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for installing clips in coil springs
Assignee: Individual
•
Filing: 1951-02-05
•
Granted: 1954-02-16
•
Expires: 1971-02-05
Abstract
No abstract record available.
Inventors
- 👤 Fenton George Donald
- 👤 Emil S Tideman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:09
CPC Classifications
B; B21; B21F; B21F45/00; B21F45/16; B21F35/00; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53613; Y10T29/53622
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1463460A
Cited
US1451936A
Cited
US1677968A
Cited
US1701240A
Cited
US2078828A
Cited
US2086992A
Cited
US2385357A
Cited
US2592276A
Cited
US2449653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |