US2409876A
Expired / Lapsed
US
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Shaft torsion measuring means
Assignee: Motors Liquidation Co
•
Filing: 1942-03-07
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Granted: 1946-10-22
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Expires: 1962-03-07
Abstract
No abstract record available.
Inventors
- 👤 Edward J Martin
- 👤 Carl E Grinstead
- 👤 Robert N Frawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:54
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/243; G01B; G01B7/00; G01B7/16; G01B7/24; G01L; G01L3/00; G01L3/02; G01L3/04; G01L3/10; Y; Y10; Y10S; Y10S439/00; Y10S439/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-10-21 | 1950-04-22 | 1950-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-21 | 1954-04-22 | 1954-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-21 | 1958-04-22 | 1958-10-22 | $7700.00 | Window Closed / Lapsed |