Patent US3107989A successfully refreshed from Google Patents.
US3540271A
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Load measuring method and apparatus
Assignee: DON G HOFF
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Filing: 1968-11-08
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Granted: 1970-11-17
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Expires: 1988-11-08
Abstract
No abstract record available.
Inventors
- 👤 Don G Hoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:49
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/14; G01G19/18; G01G3/00; G01G3/12; G01G3/16; G01L; G01L1/00; G01L1/10; G01L5/00; G01L5/04; G01L5/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |