US3467122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid level sensor
Assignee: Bowles Engineering Corp
•
Filing: 1965-09-27
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Granted: 1969-09-16
•
Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Donnie Roland Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:39
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/003; G; G01; G01F; G01F23/00; G01F23/14; G01F23/16; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2065; Y10T137/2071; Y10T137/212; Y10T137/2125; Y10T137/2147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2034370A
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US2885879A
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US3232095A
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US3193197A
Cited
US3168105A
Cited
US3228410A
Cited
US3277914A
Cited
US3267949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |