US3509775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic linear displacement pickoff
Assignee: Singer General Precision Inc
•
Filing: 1967-06-01
•
Granted: 1970-05-05
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Expires: 1987-06-01
Abstract
No abstract record available.
Inventors
- 👤 John L Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:46
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/02; F15C1/04; G; G01; G01D; G01D5/00; G01D5/42; G01D5/44; G01D5/46; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/206; Y10T137/2065; Y10T137/218; Y10T137/2202; Y10T137/8593; Y10T137/877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2473903A
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US3171915A
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US3171422A
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US3258023A
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US3233522A
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US3201999A
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US3276473A
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US3275014A
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US3276463A
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US3276259A
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US3336932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |