US3531985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluidic speed and direction transducer
Assignee: Siemens Mobility Ltd
•
Filing: 1968-01-31
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Granted: 1970-10-06
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Expires: 1988-01-31
Abstract
No abstract record available.
Inventors
- 👤 Michael S Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:54
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/26; G01P3/263; F; F15; F15C; F15C1/00; F15C1/002; G01P13/00; G01P13/02; G01P13/04; G01P13/045; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2158
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) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |