US2439084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated reinforced circuit breaker contact bar
Assignee: ITE Circuit Breaker Co
•
Filing: 1944-12-28
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Granted: 1948-04-06
•
Expires: 1964-12-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert C Graves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:14
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H9/00; H01H2009/0088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US798160A
Cited
US1510119A
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US1683231A
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US2203297A
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US2197465A
Cited
US2250967A
Cited
US2285577A
Cited
US2261633A
Cited
US2319503A
Cited
US2318086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-06 | 1951-10-06 | 1952-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-06 | 1955-10-06 | 1956-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-06 | 1959-10-06 | 1960-04-06 | $7700.00 | Window Closed / Lapsed |