US2651752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical fault finder
Assignee: TOBE DEUTSCHMANN Corp
•
Filing: 1948-01-07
•
Granted: 1953-09-08
•
Expires: 1968-01-07
Abstract
No abstract record available.
Inventors
- 👤 Andre J Devot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:15
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/08; G01R31/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2108637A
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US2345932A
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US2407898A
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US2419620A
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US2426989A
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US2427523A
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US2460688A
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US2420516A
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US2434264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |