US2923792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic switch
Assignee: Individual
•
Filing: 1958-09-22
•
Granted: 1960-02-02
•
Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Fry Carroll Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:34
CPC Classifications
H; H01; H01H; H01H36/00; H01H36/0073; H01H51/00; H01H51/22; H01H51/2236; H01H51/28; H01H51/284; H01H51/285
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) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |