US2953666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage air break switch
Assignee: Allen Bradley Co LLC
•
Filing: 1956-12-31
•
Granted: 1960-09-20
•
Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 Lynn H Matthias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:25
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US693416A
Cited
US1549547A
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US1954785A
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US1934518A
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US2071595A
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US2147419A
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US2208387A
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US2243038A
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US2215797A
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US2259005A
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US2323642A
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US2356040A
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US2555799A
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US2625627A
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US2606982A
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US2584570A
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GB715121A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |