Patent US3343558A successfully refreshed from Google Patents.
US3343558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing valves
Assignee: United Shoe Machinery Corp
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Filing: 1964-12-22
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Granted: 1967-09-26
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Expires: 1984-12-22
Abstract
No abstract record available.
Inventors
- 👤 Vita Raymond A De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:00
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/365; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/8593; Y10T137/86389
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
A TIMING VALVE COMPRISING A BODY PORTION PROVIDED WITH AN INLET PASSAGE, AN OUTLET PASSAGE AND AN EXHAUST PASSAGE, A VALVE FOR CONTROLLING THE FLOW OF FLUID UNDER PRESSURE FROM SAID INLET PASSAGE TO SAID OUTLET PASSAGE AND FROM SAID OUTLET PASSAGE TO SAID EXHAUST PASSAGE, MEANS FOR YIELDINGLY HOLDING SAID VALVE IN A CLOSED POSITION TO PREVENT FLOW OF PRESSURE FLUID FROM SAID INLET PASSAGE TO SAID OUTLET PASSAGE WHILE CONNECTING SAID OUTLET PASSAGE TO SAID EXHAUST PASSAGE, FLUID PRESSURE OPERATED MEANS FOR MOVING SAID VALVE TO AN OPEN POSITION IN WHICH SAID INLET PASSAGE AND SAID OUTLET PASSAGE ARE IN COMMUNICATION AND SAID OUTLET PASSAGE IS SHUT OFF FROM SAID EXHAUST PASSAGE, MEANS PROVIDING A TIMING CHAMBER IN COMMUNICATION WITH SAID FLUID PRESSURE OPERATED MEANS, MEANS PROVIDING A PASSAGE LEADING FROM SAID INLET PASSAGE TO SAID CHAMBER, AND MEANS IN SAID LAST MENTIONED PASSAGE FOR METERING THE FLOW OF FLUID UNDER PRESSURE FROM SAID INLET PASSAGE TO SAID CHAMBER, SAID METERING MEANS COMPRISING A PLUNGER PROVIDED WITH A METERING ORIFICE AND LOOSELY FITTED WITHIN THE PASSAGE BETWEEN THE INLET PASSAGE AND SAID CHAMBER, SAID PLUNGER BEING ADAPTED TO SERVE AS A VALVE FOR RESTRICTING THE FLOW OF PRESSURE FLUID FROM SAID INLET PASSAGE TO SAID CHAMBER THROUGH SAID METERING ORIFICE AND TO PERMIT RELATIVELY FREE FLOW OF FLUID UNDER PRESSURE FROM SAID CHAMBER TO SAID INLET PASSAGE.
Claim 2
Dependent Claim
229 words
A TIMING VALVE COMPRISING A BODY PORTION PROVIDED WITH AN INLET PASSAGE, AN OUTLET PASSAGE AND AN EXHAUST PASSAGE, A VALVE FOR CONTROLLING THE FLOW OF FLUID UNDER PRESSURE FROM SAID INLET PASSAGE TO SAID OUTLET PASSAGE AND FROM SAID OUTLET PASSAGE TO SAID EXHAUST PASSAGE, MEANS FOR YIELDINGLY HOLDING SAID VALVE IN A CLOSED POSITION TO PREVENT FLOW OF PRESSURE FLUID FROM SAID INLET PASSAGE TO SAID OUTLET PASSAGE WHILE CONNECTING SAID OUTLET PASSAGE TO SAID EXHAUST PASSAGE, FLUID PRESSURE OPERATED MEANS FOR MOVING SAID VALVE TO AN OPEN POSITION IN WHICH SAID INLET PASSAGE AND SAID OUTLET PASSAGE ARE IN COMMUNICATION AND SAID OUTLET PASSAGE IS SHUT OFF FROM SAID EXHAUST PASSAGE, MEANS PROVIDING A TIMING CHAMBER IN COMMUNICATION WITH SAID FLUID PRESSURE OPERATED MEANS, MEANS PROVIDING A PASSAGE LEADING FROM SAID INLET PASSAGE TO SAID CHAMBER, AND MEANS IN SAID LAST MENTIONED PASSAGE FOR METERING THE FLOW OF FLUID UNDER PRESSURE FROM SAID INLET PASSAGE TO SAID CHAMBER, SAID METERING MEANS COMPRISING A PLUNGER PROVIDED WITH A METERING ORIFICE AND LOOSELY FITTED WITHIN THE PASSAGE BETWEEN THE INLET PASSAGE AND SAID CHAMBER, SAID PLUNGER BEING ADAPTED TO SERVE AS A VALVE FOR RESTRICTING THE FLOW OF PRESSURE FLUID FROM SAID INLET PASSAGE TO SAID CHAMBER THROUGH SAID METERING ORIFICE AND TO PERMIT RELATIVELY FREE FLOW OF FLUID UNDER PRESSURE FROM SAID CHAMBER TO SAID INLET PASSAGE.
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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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |