Patent US3435688A successfully refreshed from Google Patents.
US3435688A
Expired / Lapsed
US
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Fluid sensor
Assignee: Honeywell Inc
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Filing: 1966-01-03
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Granted: 1969-04-01
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Expires: 1986-01-03
Abstract
No abstract record available.
Inventors
- 👤 Harvey D Ogren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:22
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/005; G; G01; G01P; G01P3/00; G01P3/26; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/1239; Y10T74/1261; Y10T74/1268
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) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |