US3479536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric force transducer
Assignee: Singer General Precision Inc
•
Filing: 1967-03-14
•
Granted: 1969-11-18
•
Expires: 1987-03-14
Abstract
No abstract record available.
Inventors
- 👤 Frank A Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:44
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/097; G01L; G01L1/00; G01L1/16; G01L1/162; G01P2015/0805; G01P2015/0822; G01P2015/0825; G01P2015/0828; Y; Y10; Y10S; Y10S73/00; Y10S73/01; Y10S73/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3190129A
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US3304773A
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US3303452A
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US3402601A
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US3354426A
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US3411348A
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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) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |