US3286724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float control means
Assignee: Robert Manufacturing Co
•
Filing: 1964-06-12
•
Granted: 1966-11-22
•
Expires: 1984-06-12
Abstract
No abstract record available.
Inventors
- 👤 Frank L Sawyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:26
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; F16K31/26; F25; F25C; F25C1/00; F25C1/22; F25C1/25; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7413; Y10T137/7439; Y10T137/7465
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A FLOAT CONTROL MEANS, COMPRISING: (A) A FLOAT HOUSING HAVING A RAISED BRACKET AT ONE END; (B) A COVER FOR SAID HOUSING HAVING A RAISED PORTION AT ONE END PARTIALLY COVERING SAID BRACKET; (C) A FLOAT VALVE BODY HAVING AN INLET AT ITS UPPER END AND AN OUTLET AT ITS LOWER END, AN A VALVE ELEMENT CONTROLLING FLOW FROM SAID INLET; (D) A VALVE-ACTUATING LEVER PIVOTALLY ATTACHED TO SAID VALVE BODY AND ENGAGEABLE WITH SAID VALVE ELEMENT, THE EXTENDED END OF SAID LEVER BEING FOLDED TO FORM AN INTEGRAL U-SHAPED SPRING CLIP, HAVING A PAIR OF ESSENTIALLY ALIGNED SLOTS; (E) A FLOAT ARM HAVING A PORTION FRICTIONALLY SLIDABLE IN SAID SLOTS THEREBY TO EFFECT VERTICAL ADJUSTMENT OF SAID FLOAT ARM; (F) AND A FLOAT CARRIED BY SAID ARM.
Claim 2
Dependent Claim
128 words
A FLOAT CONTROL MEANS, COMPRISING: (A) A FLOAT HOUSING HAVING A RAISED BRACKET AT ONE END; (B) A COVER FOR SAID HOUSING HAVING A RAISED PORTION AT ONE END PARTIALLY COVERING SAID BRACKET; (C) A FLOAT VALVE BODY HAVING AN INLET AT ITS UPPER END AND AN OUTLET AT ITS LOWER END, AN A VALVE ELEMENT CONTROLLING FLOW FROM SAID INLET; (D) A VALVE-ACTUATING LEVER PIVOTALLY ATTACHED TO SAID VALVE BODY AND ENGAGEABLE WITH SAID VALVE ELEMENT, THE EXTENDED END OF SAID LEVER BEING FOLDED TO FORM AN INTEGRAL U-SHAPED SPRING CLIP, HAVING A PAIR OF ESSENTIALLY ALIGNED SLOTS; (E) A FLOAT ARM HAVING A PORTION FRICTIONALLY SLIDABLE IN SAID SLOTS THEREBY TO EFFECT VERTICAL ADJUSTMENT OF SAID FLOAT ARM; (F) AND A FLOAT CARRIED BY SAID ARM.
References Cited (Backward Citations)
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Cited
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Cited
US2703099A
Cited
US2911000A
Cited
US2988048A
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US3112762A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |