US2652625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil spring compressing device
Assignee: HENRY H GRAHAM
•
Filing: 1950-05-13
•
Granted: 1953-09-22
•
Expires: 1970-05-13
Abstract
No abstract record available.
Inventors
- 👤 W B Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:54
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/30; B25B27/302; B25B27/304; B60; B60G; B60G2206/00; B60G2206/01; B60G2206/90; B60G2206/92; B60G2206/921; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53613; Y10T29/53622; Y10T29/53991
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1008694A
Cited
US1245667A
Cited
US1298253A
Cited
US1368501A
Cited
US1494564A
Cited
US2240897A
Cited
US2467332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |