US2989603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interrupter switch operating mechanism
Assignee: S&C Electric Co
•
Filing: 1959-02-05
•
Granted: 1961-06-20
•
Expires: 1979-02-05
Abstract
No abstract record available.
Inventors
- 👤 John J Mikos
- 👤 Leonard V Chabala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:26
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/04; H01H33/12; H01H33/121; H01H33/125; H01H33/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732468A
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US2732453A
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US1480970A
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US2679561A
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US2785254A
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US2839632A
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US2871320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |