US2716679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker
Assignee: Wadsworth Electric Manufacturing Co
•
Filing: 1954-05-11
•
Granted: 1955-08-30
•
Expires: 1974-05-11
Abstract
No abstract record available.
Inventors
- 👤 William H Middendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:56
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/40; H01H71/405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB211158A
Cited
US2035743A
Cited
US2325717A
Cited
US2376759A
Cited
USRE23188E
Cited
US2627563A
Cited
US2677025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |