US3211172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closet tank fittings
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1963-04-04
•
Granted: 1965-10-12
•
Expires: 1983-04-04
Abstract
No abstract record available.
Inventors
- 👤 Richard G Parkison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:56
CPC Classifications
E; E03; E03D; E03D11/00; E03D1/00; E03D1/30; E03D1/304; E03D1/32; E03D1/34; E03D9/00; E03D9/14; F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7423; Y10T137/7439; Y10T137/7442; Y10T137/7494; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
AN INLET FOR A CLOSET TANK, SAID VALVE COMPRISING, A BODY PRESENTING AN INTERNAL CAVITY, AN INLET OPENING ENTERING SAID CAVITY, A SEAT IN SAID CAVITY ABOVE SAID INLET OPENING, A DIAPHRAGM SEAL MOUNTED IN SAID CAVITY ABAOVE SAID SEAT AND URGABLE INTO CLOSING CONTACT WITH SAID SEAT, MEANS BEARING ON THE UPPER MARGINAL PORTION OF SAID SEAL AND FORMING A WATER-TIGHT CLOSURE OF SAID CAVITY, A CAP PRESENTING A BORE CO-AXIALLY ALIGNED ABOVE SAID SEAL, A VERTICALLY TRANSLATABLE PLUNGER DISPOSED IN SAID BORE, SAID PLUNGER HAVING A CONICAL UPPER END, AND MEANS FOR MOVING SAID PLUNGER INTO CONTACT WITH SAID SEAL TO CLOSE SAID VALVE, SAID MEANS INCLUDING A SWINGABLE FINGER BEARING UPON THE CONICAL UPPER END OF SAID PLUNGER AT A POINT SPACED FROM THE APEX THEREOF, SAID FINGER BEING PIVOTED ABOUT A HORIZONTAL AXIS WHICH IS SKEW TO THE AXIS OF SAID PLUNGER, THE FORCE APPLIED BY SAID FINGER TO SAID PLUNGER CAUSING SAID PLUNGER TO COCK IN SAID BORE AND THEREBY REDUCE THE TENDENCY OF SAID VALVE TO CHATTER UPON CLOSURE.
Claim 2
Dependent Claim
175 words
AN INLET FOR A CLOSET TANK, SAID VALVE COMPRISING, A BODY PRESENTING AN INTERNAL CAVITY, AN INLET OPENING ENTERING SAID CAVITY, A SEAT IN SAID CAVITY ABOVE SAID INLET OPENING, A DIAPHRAGM SEAL MOUNTED IN SAID CAVITY ABAOVE SAID SEAT AND URGABLE INTO CLOSING CONTACT WITH SAID SEAT, MEANS BEARING ON THE UPPER MARGINAL PORTION OF SAID SEAL AND FORMING A WATER-TIGHT CLOSURE OF SAID CAVITY, A CAP PRESENTING A BORE CO-AXIALLY ALIGNED ABOVE SAID SEAL, A VERTICALLY TRANSLATABLE PLUNGER DISPOSED IN SAID BORE, SAID PLUNGER HAVING A CONICAL UPPER END, AND MEANS FOR MOVING SAID PLUNGER INTO CONTACT WITH SAID SEAL TO CLOSE SAID VALVE, SAID MEANS INCLUDING A SWINGABLE FINGER BEARING UPON THE CONICAL UPPER END OF SAID PLUNGER AT A POINT SPACED FROM THE APEX THEREOF, SAID FINGER BEING PIVOTED ABOUT A HORIZONTAL AXIS WHICH IS SKEW TO THE AXIS OF SAID PLUNGER, THE FORCE APPLIED BY SAID FINGER TO SAID PLUNGER CAUSING SAID PLUNGER TO COCK IN SAID BORE AND THEREBY REDUCE THE TENDENCY OF SAID VALVE TO CHATTER UPON CLOSURE.
References Cited (Backward Citations)
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Cited
US2211167A
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US2312654A
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US2476310A
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |