US3449956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Force measuring instrument
Assignee: JOHN M GOODKIND
•
Filing: 1965-09-03
•
Granted: 1969-06-17
•
Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 John M Goodkind
- 👤 William A Prothero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:33
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/18; G01P15/02; G01P15/08; G01V; G01V7/00; G01V7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2942479A
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US3238788A
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US3261210A
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US3221563A
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US3272016A
Cited
US3175405A
Cited
US3209601A
Cited
US3225608A
Cited
US3212341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |