US3333815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push button drain valve
Assignee: Sterling Plumbing Group Inc
•
Filing: 1964-04-21
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Granted: 1967-08-01
•
Expires: 1984-04-21
Abstract
No abstract record available.
Inventors
- 👤 Martin W Downey
- 👤 Lloyd K Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:31
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/22; E03C1/23; E03C1/2306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN IMPROVED VALVE CONSTRUCTION FOR OPENING AND CLOSING-OFF FLUID FLOW TO AN OPEN DRAIN PORTION WHICH COMPRISES, AN ANNULAR FITTING FOR MOUNTING WITHIN THE OPEN DRAIN PORTION, A SLEEVE-LIKE HOUSING, MEANS FOR SECURING SAID HOUSING WITHIN SAID FITTING TO EXTEND THEREWITH AND TO DEFINE AN ANNULAR FLUID PASSAGEWAY THEREBETWEEN, A RADIALLY-OUTWARDLY EXTENDING VALVE SEAT FLANGE ABOUT A FORWARD END OF SAID FITTING AND OPEN TO SAID PASSAGEWAY, PUSH BUTTON MEANS OPERATIVELY-CARRIED BY SAID HOUSING AND HAVING A HOUSING SLEEVE APART PROJECTING AXIALLY-BACKWARDLY FOR SLIDABLE MOVEMENT ALONG AND WITH RESPECT TO SAID HOUSING, RESILIENT ANNULAR VALVE MEANS CARRIED BY SAID PUSH BUTTON MEANS BACKWARDLY THEREOF ADJACENT SAID VALVE SEAT FLANGE AND PROJECTING RADIALLY-OUTWARDLY WITH RESPECT TO SAID PASSAGEWAY, CONTROL MEANS OPERTIVELYPOSITIONED BETWEEN SAID HOUSING SLEEVE PART AND SAID HOUSING FOR SELECTIVELY-RETAINING SAID PUSH BUTTON MEANS IN A
Claim 2
Dependent Claim
136 words
AN IMPROVED VALVE CONSTRUCTION FOR OPENING AND CLOSING-OFF FLUID FLOW TO AN OPEN DRAIN PORTION WHICH COMPRISES, AN ANNULAR FITTING FOR MOUNTING WITHIN THE OPEN DRAIN PORTION, A SLEEVE-LIKE HOUSING, MEANS FOR SECURING SAID HOUSING WITHIN SAID FITTING TO EXTEND THEREWITH AND TO DEFINE AN ANNULAR FLUID PASSAGEWAY THEREBETWEEN, A RADIALLY-OUTWARDLY EXTENDING VALVE SEAT FLANGE ABOUT A FORWARD END OF SAID FITTING AND OPEN TO SAID PASSAGEWAY, PUSH BUTTON MEANS OPERATIVELY-CARRIED BY SAID HOUSING AND HAVING A HOUSING SLEEVE APART PROJECTING AXIALLY-BACKWARDLY FOR SLIDABLE MOVEMENT ALONG AND WITH RESPECT TO SAID HOUSING, RESILIENT ANNULAR VALVE MEANS CARRIED BY SAID PUSH BUTTON MEANS BACKWARDLY THEREOF ADJACENT SAID VALVE SEAT FLANGE AND PROJECTING RADIALLY-OUTWARDLY WITH RESPECT TO SAID PASSAGEWAY, CONTROL MEANS OPERTIVELYPOSITIONED BETWEEN SAID HOUSING SLEEVE PART AND SAID HOUSING FOR SELECTIVELY-RETAINING SAID PUSH BUTTON MEANS IN A
References Cited (Backward Citations)
US320105A
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US802944A
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US802952A
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US2137496A
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US2179121A
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US3263243A
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |