US2953924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact switch
Assignee: GEN PREC S Inc
•
Filing: 1958-01-02
•
Granted: 1960-09-27
•
Expires: 1978-01-02
Abstract
No abstract record available.
Inventors
- 👤 James C Mathiesen
- 👤 Fridtjof K Serkland
- 👤 Willmer N Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:42
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/14; F; F16; F16D; F16D71/00; Y; Y10; Y10T; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |