US3242940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid flow control valve for toilet flush tanks
Assignee: Individual
•
Filing: 1963-11-19
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Granted: 1966-03-29
•
Expires: 1983-11-19
Abstract
No abstract record available.
Inventors
- 👤 Sirotek Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:48
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/34; Y; Y10; Y10T; Y10T137/00; Y10T137/3149; Y10T137/3185; Y10T137/3294; Y10T137/3331; Y10T137/7287; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/7374; Y10T137/7439; Y10T137/7446; Y10T137/7449; Y10T137/8593; Y10T137/87917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A LIQUID FLOW CONTROL VALVE FOR FLUSH TANKS, COMPRISING: (A) A CASING, (B) A SLEEVE EXTENDED OUTWARDLY AND DOWNWARDLY FROM THE LOWER SIDE OF THE CASING, A PORTION OF WHICH IS THICKENED AND FORMED WITH DUCTS EXTENDED LONGITUNDINALLY THERETHROUGH AND COMMUNICATING WITH THE CASING INTERIOR, (C) FLUID PRESSURE ACTUATED LIQUID FLOW CONTROL VALVE MEANS WITHIN THE CASING, (D) A LIQUID SUPPLY PIPE CONNECTED TO AND COMMUNICATING WITH THE CASING INTERIOR, AND (E) A LIQUID DISCHARGE PIPE ENGAGED OVER AND ABOVE THE SUPPLY PIPE CONNECTED TO SAID SLEEVE FOR MOVEMENT TOWARD AND AWAY FROM ITS THICKENED PORTION AND DUCTS WHEREBY TO REGULATE THE FLOW OF LIQUID THEREINTO AND THEREFROM.
Claim 2
Dependent Claim
108 words
A LIQUID FLOW CONTROL VALVE FOR FLUSH TANKS, COMPRISING: (A) A CASING, (B) A SLEEVE EXTENDED OUTWARDLY AND DOWNWARDLY FROM THE LOWER SIDE OF THE CASING, A PORTION OF WHICH IS THICKENED AND FORMED WITH DUCTS EXTENDED LONGITUNDINALLY THERETHROUGH AND COMMUNICATING WITH THE CASING INTERIOR, (C) FLUID PRESSURE ACTUATED LIQUID FLOW CONTROL VALVE MEANS WITHIN THE CASING, (D) A LIQUID SUPPLY PIPE CONNECTED TO AND COMMUNICATING WITH THE CASING INTERIOR, AND (E) A LIQUID DISCHARGE PIPE ENGAGED OVER AND ABOVE THE SUPPLY PIPE CONNECTED TO SAID SLEEVE FOR MOVEMENT TOWARD AND AWAY FROM ITS THICKENED PORTION AND DUCTS WHEREBY TO REGULATE THE FLOW OF LIQUID THEREINTO AND THEREFROM.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |