US2830149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Over-center relay switch
Assignee: Individual
•
Filing: 1956-09-04
•
Granted: 1958-04-08
•
Expires: 1976-09-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Winans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:03
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06; H01H51/08; H01H51/082; H01H51/086; H01H51/088
Claims Analysis
Total Claims: 0
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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) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |