US2838636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage circuit interrupting switch means
Assignee: SCHWAGER WOOD CORP
•
Filing: 1956-03-16
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Granted: 1958-06-10
•
Expires: 1976-03-16
Abstract
No abstract record available.
Inventors
- 👤 August C Schwager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:35
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/04; H01H33/12; H01H33/121; H01H33/125; H01H33/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1931475A
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US1860337A
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US2181486A
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US2469203A
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US2480622A
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US2737556A
Cited
US2675446A
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US2740869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |