US2981099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydra-gauge dynamometer
Assignee: ELMO R MEINESS
•
Filing: 1957-04-17
•
Granted: 1961-04-25
•
Expires: 1977-04-17
Abstract
No abstract record available.
Inventors
- 👤 Ellsworth W Lapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:36
CPC Classifications
G; G01; G01L; G01L3/00; G01L3/02; G01L3/14; G01L3/1485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB128613A
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US1453354A
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US1743409A
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US1992911A
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US2667238A
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GB552586A
Cited
US2452550A
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US2716339A
Cited
US2603968A
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US2749747A
Cited
US2638781A
Cited
US2706405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |