US2834846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay switch
Assignee: PENTA LAB Inc
•
Filing: 1955-02-14
•
Granted: 1958-05-13
•
Expires: 1975-02-14
Abstract
No abstract record available.
Inventors
- 👤 Hubert H Eaves
- 👤 Walter R Clinton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:40
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/287
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2026772A
Cited
US2242636A
Cited
US2180701A
Cited
US2257900A
Cited
US2312408A
Cited
US2360941A
Cited
US2397123A
Cited
US2485024A
Cited
US2481003A
Cited
US2574134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |