Patent US3194568A successfully refreshed from Google Patents.
US3194568A
Expired / Lapsed
US
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Stuffing box with cooling and vent means
Assignee: Dresser Industries Inc
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Filing: 1961-06-16
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Granted: 1965-07-13
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Expires: 1981-06-16
Abstract
No abstract record available.
Inventors
- 👤 William H Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:32
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/04; F04B39/041; F16; F16J; F16J15/00; F16J15/16; F16J15/162; Y; Y10; Y10S; Y10S277/00; Y10S277/93
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A STUFFING BOX CONSTRUCTION FOR A RELATIVELY RECIPROCABLE ROD HAVING A PERIPHERAL SURFACE, THE COMBINATION COMPRISING MEANS PROVIDING AN ANNULAR CHAMBER ARRANGED TO SURROUND SAID ROD AND COMMUNICATE WITH SAID SURFACE THEREOF, INLET AND OUTLET MEANS INDEPENDENT OF SAID ROD ARRANGED TO CONDUCT COOLING LIQUID THROUGH SAID CHAMBER FOR CONTACT WITH SAID SURFACE, AND PACKING MEANS ON AXIALLY OPPOSITE SIDES OF SAID CHAMBER MEANS, ONE OF SAID SIDES BEING A HIGH PRESSURE SIDE, THAT ONE OF SAID PACKING MEANS ON SAID HIGH PRESSURE SIDE HAVING A PASSAGE COMMUNICABLE WITH SAID SURFACE WITHIN THE CONFINES OF SAID ONE OF SAID PACKING MEANS FOR VENTING VAPOR FORMED FROM LIQUID ADHERING TO SAID SURFACE.
Claim 2
Dependent Claim
112 words
IN A STUFFING BOX CONSTRUCTION FOR A RELATIVELY RECIPROCABLE ROD HAVING A PERIPHERAL SURFACE, THE COMBINATION COMPRISING MEANS PROVIDING AN ANNULAR CHAMBER ARRANGED TO SURROUND SAID ROD AND COMMUNICATE WITH SAID SURFACE THEREOF, INLET AND OUTLET MEANS INDEPENDENT OF SAID ROD ARRANGED TO CONDUCT COOLING LIQUID THROUGH SAID CHAMBER FOR CONTACT WITH SAID SURFACE, AND PACKING MEANS ON AXIALLY OPPOSITE SIDES OF SAID CHAMBER MEANS, ONE OF SAID SIDES BEING A HIGH PRESSURE SIDE, THAT ONE OF SAID PACKING MEANS ON SAID HIGH PRESSURE SIDE HAVING A PASSAGE COMMUNICABLE WITH SAID SURFACE WITHIN THE CONFINES OF SAID ONE OF SAID PACKING MEANS FOR VENTING VAPOR FORMED FROM LIQUID ADHERING TO SAID SURFACE.
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FR577388A
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |