US3471665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic reed float switch for use within the interior of a liquid container having a removable installation feature
Assignee: Simmonds Precision Products Inc
•
Filing: 1967-05-26
•
Granted: 1969-10-07
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Expires: 1987-05-26
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Sargent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:43
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/32; G01F23/38; H; H01; H01H; H01H36/00; H01H36/02; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/613
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1191013A
Cited
US2207898A
Cited
US2577165A
Cited
US2600309A
Cited
US2927176A
Cited
US3260820A
Cited
US3322917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |