US2834941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp-on electrical measuring instrument
Assignee: AUTO TEST Inc
•
Filing: 1953-03-05
•
Granted: 1958-05-13
•
Expires: 1973-03-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert D Hickok
- 👤 Davies Sterling
- 👤 William H Yenni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:07
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/20; G01R1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2356608A
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US2697204A
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US1105481A
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US2002680A
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US1924039A
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US2266624A
Cited
US2353617A
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US2440244A
Cited
US2663845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |