US2529375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching device
Assignee: Automatic Electric Laboratories Inc
•
Filing: 1945-09-28
•
Granted: 1950-11-07
•
Expires: 1965-09-28
Abstract
No abstract record available.
Inventors
- 👤 Milton A Clement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:26
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US512386A
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US1016567A
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US1850374A
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US2185603A
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US2269108A
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US2281687A
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US2307922A
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US2298273A
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US2401213A
Cited
US2397635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |