Patent US2957966A successfully refreshed from Google Patents.
US2957966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay apparatus
Assignee: Individual
•
Filing: 1958-06-24
•
Granted: 1960-10-25
•
Expires: 1978-06-24
Abstract
No abstract record available.
Inventors
- 👤 Robert P Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:36
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06; H01H51/08; H01H51/082; H01H51/086
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US941777A
Cited
US1183135A
Cited
US2279849A
Cited
US2324844A
Cited
US2384195A
Cited
US2567018A
Cited
US2547998A
Cited
US2562390A
Cited
US2613791A
Cited
US2594670A
Cited
US2627562A
Cited
US2653200A
Cited
US2695336A
Cited
US2823278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |