US2496759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker
Assignee: Individual
•
Filing: 1945-01-11
•
Granted: 1950-02-07
•
Expires: 1965-01-11
Abstract
No abstract record available.
Inventors
- 👤 Warsher Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:58
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/22; H01H73/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1313622A
Cited
US1431220A
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US1666339A
Cited
US1800710A
Cited
US1957345A
Cited
US2059985A
Cited
US1939194A
Cited
US2074400A
Cited
US2179198A
Cited
US2147754A
Cited
US2172203A
Cited
US2351984A
Cited
US2391680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |