US3110036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush tank assembly
Assignee: VALGUARD CO Inc
•
Filing: 1960-02-29
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Granted: 1963-11-12
•
Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Roland W Downin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:21
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/32; F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7478; Y10T137/7488
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN COMBINATION, A SUPPLY VALVE HAVING CHECK MEANS COMPRISING A BALL AND SEAT, A SHAFT IN SAID VALVE HAVING A CAM ADAPTED TO UNSEAT SAID BALL, A ROCKER TUBE ENCLOSING A FREELY ROLLING WEIGHT MEANS, A FLOAT ON ONE END OF SAID TUBE, AND MEANS ATTACHED TO SAID SHAFT AND TO SAID TUBE MEDIALLY THEREOF WHEREBY ROCKING OF SAID TUBE ROTATES SAID SHAFT.
Claim 2
Dependent Claim
56 words
AN ATTACHMENT FOR USE IN A FLUSH TANK SYSTEM HAVING AN OUTLET PIPE AND UPSTANDING OVERFLOW PIPE, INCLUDING A CAGE FOR CONFINING THE FLOAT BALL VALVE OF SAID OUTLET PIPE COMPRISING A PAIR OF SEMI-CYLINDRICAL SECTIONS OF OPEN-WORK STRUCTURE WITH INNER DIAMETER IN EXCESS OF AN OUTLET PIPE, A SERIES OF FLEXIBLE BANDS JOINING SAID SEC-
References Cited (Backward Citations)
US1624234A
Cited
US2614263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |