Patent US3020753A successfully refreshed from Google Patents.
US3020753A
Expired / Lapsed
US
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Dynamometer
Assignee: Individual
•
Filing: 1956-11-05
•
Granted: 1962-02-13
•
Expires: 1976-11-05
Abstract
No abstract record available.
Inventors
- 👤 Lloyd R Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:03
CPC Classifications
G; G01; G01L; G01L3/00; G01L3/16; G01L3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2130900A
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US2298894A
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US2758830A
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US2520696A
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US2585478A
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US2653472A
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US2771773A
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US2775119A
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US2785367A
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US2940309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |