Patent US3670721A successfully refreshed from Google Patents.
US3144664A
Expired / Lapsed
US
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Attachment for a toilet flushing means
Assignee: Hold Corp
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Filing: 1961-08-29
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Granted: 1964-08-18
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Expires: 1981-08-29
Abstract
No abstract record available.
Inventors
- 👤 William A Fonken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:07
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
AN ATTACHMENT FOR A TOILET FLUSHING MEANS, COMPRISING: A NON-METALLIC AND RESILIENT CONSTRICTING MEANS FOR INSERTION IN THE WATER DISCHARGE PIPE OF A TOILET FLUSHING TANK; RESILIENT MEANS FOR SECURING SAID MEANS IN PLACE; A RESILIENT BALL VALVE MEANS FOR SAID FLUSHING TANK; A RIGID WATER FLOW THROTTLING MEANS SECURED TO THE LOWER PART OF SAID BALL VALVE MEANS AND EXTENDING AXIALLY AND DOWNWARDLY THEREFROM; SAID THROTTLING MEANS HAVING A SLENDER STEM MID-PORTION AND AN ENLARGED LOWER VALVE PORTION; SAID SLENDER STEM MID-PORTION LOCATED AT THE SAME ELEVATION AS SAID CONSTRICTING MEANS WHEN THE BALL VALVE IS CLOSED AND SAID ENLARGED LOWER VALVE PORTION DISPOSED AT SUBSTANTIALLY THE SAME LEVEL AS SAID CONSTRICTING MEANS WHEN SAID BALL VALVE IS INITIALLY FULLY RAISED FROM ITS SEAT DURING THE BEGINNING OF THE FLUSHING CYCLE AND SAID CONSTRICTING MEANS CONSTITUTES A RESILIENT NON-METALLIC BAND WHICH IS SPLIT RADIALLY; A SPRING METAL OPEN RING EMBEDDED IN SAID RESILIENT BAND TO SPRING BIAS SAID BAND INTO AN EXPANDED POSITION AND INSURE A SECURE SEATING IN SAID WATER DISCHARGE PIPE.
Claim 2
Dependent Claim
174 words
AN ATTACHMENT FOR A TOILET FLUSHING MEANS, COMPRISING: A NON-METALLIC AND RESILIENT CONSTRICTING MEANS FOR INSERTION IN THE WATER DISCHARGE PIPE OF A TOILET FLUSHING TANK; RESILIENT MEANS FOR SECURING SAID MEANS IN PLACE; A RESILIENT BALL VALVE MEANS FOR SAID FLUSHING TANK; A RIGID WATER FLOW THROTTLING MEANS SECURED TO THE LOWER PART OF SAID BALL VALVE MEANS AND EXTENDING AXIALLY AND DOWNWARDLY THEREFROM; SAID THROTTLING MEANS HAVING A SLENDER STEM MID-PORTION AND AN ENLARGED LOWER VALVE PORTION; SAID SLENDER STEM MID-PORTION LOCATED AT THE SAME ELEVATION AS SAID CONSTRICTING MEANS WHEN THE BALL VALVE IS CLOSED AND SAID ENLARGED LOWER VALVE PORTION DISPOSED AT SUBSTANTIALLY THE SAME LEVEL AS SAID CONSTRICTING MEANS WHEN SAID BALL VALVE IS INITIALLY FULLY RAISED FROM ITS SEAT DURING THE BEGINNING OF THE FLUSHING CYCLE AND SAID CONSTRICTING MEANS CONSTITUTES A RESILIENT NON-METALLIC BAND WHICH IS SPLIT RADIALLY; A SPRING METAL OPEN RING EMBEDDED IN SAID RESILIENT BAND TO SPRING BIAS SAID BAND INTO AN EXPANDED POSITION AND INSURE A SECURE SEATING IN SAID WATER DISCHARGE PIPE.
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |