US2813709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strain gauge load indicator
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1954-01-06
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Granted: 1957-11-19
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Expires: 1974-01-06
Abstract
No abstract record available.
Inventors
- 👤 Brier Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:33
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/08; G01G19/12; G01G3/00; G01G3/12; G01G3/14; G01G3/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2453607A
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US2759356A
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US2597751A
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US2582886A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |