Patent US3195565A successfully refreshed from Google Patents.
US3195565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball cock
Assignee: Stanadyne LLC
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Filing: 1963-07-01
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Granted: 1965-07-20
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Charles G Mackie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:26
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/34; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/7374; Y10T137/7423; Y10T137/7426; Y10T137/7433; Y10T137/7436
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A BALL COCK INCLUDING A LIQUID TUBE ASSEMBLY HAVING AN UPFLOW CONDUIT AND A DOWNFLOW CONDUIT, MEANS TO ADMIT LIQUID INTO THE TUBE ASSEMBLY, A FLOAT MOVABLY ASSOCIATED WITH THE TUBE ASSEMBLY, A SEALING SURFACE CARRIED BY THE FLOAT, A VALVE STRUCTURE MOUNTED ON ONE END OF THE TUBE ASSEMBLY, A PRESSURE CHAMBER AND A FLOW CHAMBER IN THE STRUCTURE, AN ELASTOMERIC DIAPHRAGM SEPARATING ONE CHAMBER FROM THE OTHER CHAMBER, A PASSAGEWAY OF REDUCED DIAMETER IN THE DIAPHRAGM CONNECTING ONE CHAMBER WITH THE OTHER CHMABER, COMMUNICATING PASSAGEWAYS BETWEEN THE FLOW CHAMBER AND THE DOWNFLOW CONDUIT, A VALVE SEAT FOR THE DIAPHRAGM ASSOCIATED WITH THE UPFLOW CONDUIT, SOME OF THE LIQUID FROM THE UPFLOW CONDUIT ADAPTED TO PASS THROUGH THE DIAPHRAGM PASSAGEWAY AND INTO THE PRESSURE CHAMBER, MEANS TO DRAIN SUCH LIQUID AWAY FROM THE PRESSURE CHAMBER, AND THE SEALING SURFACE OF THE FLOAT ADAPTED TO CLOSE THE DRAIN MEANS WHEN LIQUID OUTSIDE THE TUBE ASSEMBLY REACHES A PREDETERMINED LIQUID LEVEL WHEREBY LIQUID WITHIN THE PRESSURE CHAMBER ACCUMULATES AND MOVES THE DIAPHRAGM ONTO THE VALVE SEAT THEREBY STOPPING UPFLOW LIQUID IN THE TUBE ASSEMBLY.
Claim 2
Dependent Claim
183 words
A BALL COCK INCLUDING A LIQUID TUBE ASSEMBLY HAVING AN UPFLOW CONDUIT AND A DOWNFLOW CONDUIT, MEANS TO ADMIT LIQUID INTO THE TUBE ASSEMBLY, A FLOAT MOVABLY ASSOCIATED WITH THE TUBE ASSEMBLY, A SEALING SURFACE CARRIED BY THE FLOAT, A VALVE STRUCTURE MOUNTED ON ONE END OF THE TUBE ASSEMBLY, A PRESSURE CHAMBER AND A FLOW CHAMBER IN THE STRUCTURE, AN ELASTOMERIC DIAPHRAGM SEPARATING ONE CHAMBER FROM THE OTHER CHAMBER, A PASSAGEWAY OF REDUCED DIAMETER IN THE DIAPHRAGM CONNECTING ONE CHAMBER WITH THE OTHER CHMABER, COMMUNICATING PASSAGEWAYS BETWEEN THE FLOW CHAMBER AND THE DOWNFLOW CONDUIT, A VALVE SEAT FOR THE DIAPHRAGM ASSOCIATED WITH THE UPFLOW CONDUIT, SOME OF THE LIQUID FROM THE UPFLOW CONDUIT ADAPTED TO PASS THROUGH THE DIAPHRAGM PASSAGEWAY AND INTO THE PRESSURE CHAMBER, MEANS TO DRAIN SUCH LIQUID AWAY FROM THE PRESSURE CHAMBER, AND THE SEALING SURFACE OF THE FLOAT ADAPTED TO CLOSE THE DRAIN MEANS WHEN LIQUID OUTSIDE THE TUBE ASSEMBLY REACHES A PREDETERMINED LIQUID LEVEL WHEREBY LIQUID WITHIN THE PRESSURE CHAMBER ACCUMULATES AND MOVES THE DIAPHRAGM ONTO THE VALVE SEAT THEREBY STOPPING UPFLOW LIQUID IN THE TUBE ASSEMBLY.
References Cited (Backward Citations)
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Cited
US2681661A
Cited
US2744536A
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US2761466A
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US2986155A
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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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |