US3436969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid vortex spin sensor
Assignee: Unisys Corp
•
Filing: 1965-04-12
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Granted: 1969-04-08
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Expires: 1985-04-12
Abstract
No abstract record available.
Inventors
- 👤 Edwin R Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:18
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/26; G01P3/266; F; F15; F15C; F15C1/00; F15C1/16; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/06; G01C19/14
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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |