US2910560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current-interrupting apparatus
Assignee: Hubbard and Co
•
Filing: 1956-10-19
•
Granted: 1959-10-27
•
Expires: 1976-10-19
Abstract
No abstract record available.
Inventors
- 👤 Charles L Stroup
- 👤 Arthur C Westrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:37
CPC Classifications
H; H01; H01H; H01H31/00; H01H31/02; H01H31/12; H01H31/122; H01H31/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2138255A
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US2074913A
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US2183083A
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US2118646A
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US2151159A
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US2231510A
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US2574400A
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US2651694A
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US2745923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |