US2676794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overload spring
Assignee: Individual
•
Filing: 1950-06-12
•
Granted: 1954-04-27
•
Expires: 1970-06-12
Abstract
No abstract record available.
Inventors
- 👤 Wellington B Griffith
- 👤 Nora I Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:57
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/14; B60G11/16; B60G11/32; B60G11/48; B60G11/52; B60G11/54; B60G2202/00; B60G2202/10; B60G2202/12; B60G2202/14; B60G2202/143; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/124; B60G2204/40; B60G2204/45; B60G2204/4502
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US153353A
Cited
US436320A
Cited
US2466384A
Cited
GB190808083A
Cited
US1300658A
Cited
US1486295A
Cited
US2209632A
Cited
US2521546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |