US3089678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve construction
Assignee: Individual
•
Filing: 1960-08-24
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Granted: 1963-05-14
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Expires: 1980-08-24
Abstract
No abstract record available.
Inventors
- 👤 Marvin H Grove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:59
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/0227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
228 words
IN A VALVE CONSTRUCTION, A BODY MEANS HAVING A FLOW PASSAGE, A VALVE MEANS MOVABLE BETWEEN OPEN AND CLOSED POSITIONS RELATIVE TO THE FLOW PASSAGE, ONE OF SAID LAST NAMED MEANS FORMING A VALVE WORKING SURFACE SURROUNDING THE FLOW PASSAGE AND THE OTHER OF SAID MEANS HAVING A SECOND SURFACE DISPOSED IN CLOSE PROXIMITY WITH THE VALVE WORKING SURFACE FOR CLOSED POSITION OF THE VALVE, A SEAL FORMED OF RESILIENT MATERIAL, ONE ARCUATE PORTION OF SAID SEAL RING AS VIEWED IN SECTION HAVING A RADIAL WIDTH SUBSTANTIALLY GREATER THAN THE REMAINING ARCUATE PORTION, SAID OTHER MEANS HAVING A GROOVE INTERRUPTING SAID SECOND SURFACE AND SERVING TO ACCOMMODATE THE SEAL RING ONE ARCUATE PORTION OF THE GROOVE AS VIEWED IN SECTION BEING FORMED TO PROVIDE SEAL RING RETAINING LIPS AND THE REMAINING ARCUATE PORTION OF THE GROOVE BEING WITHOUT SUCH LIPS, BOTH ARCUATE PORTIONS OF THE GROOVE HAVING A RADIAL WIDTH AT LEAST EQUAL TO THE RADIAL WIDTH OF THE FIRST NAMED ARCUATE PORTION OF THE SEAL RING, AND THE RADIAL SPACING BETWEEN SAID LIPS BEING AT LEAST COMPARABLE TO THE RADIAL WIDTH OF THE SECOND NAMED ARCUATE PORTION OF THE SEAL RING, SAID RING BEING CAPABLE OF ROTATION INTO SAID GROOVE TO BRING THE FIRST NAMED ARCUATE PORTION INTO THAT PORTION OF THE GROOVE THAT IS NOT PROVIDED WITH RETAINING LIPS, WHEREBY THE SEAL RING CAN BE REMOVED.
Claim 2
Dependent Claim
228 words
IN A VALVE CONSTRUCTION, A BODY MEANS HAVING A FLOW PASSAGE, A VALVE MEANS MOVABLE BETWEEN OPEN AND CLOSED POSITIONS RELATIVE TO THE FLOW PASSAGE, ONE OF SAID LAST NAMED MEANS FORMING A VALVE WORKING SURFACE SURROUNDING THE FLOW PASSAGE AND THE OTHER OF SAID MEANS HAVING A SECOND SURFACE DISPOSED IN CLOSE PROXIMITY WITH THE VALVE WORKING SURFACE FOR CLOSED POSITION OF THE VALVE, A SEAL FORMED OF RESILIENT MATERIAL, ONE ARCUATE PORTION OF SAID SEAL RING AS VIEWED IN SECTION HAVING A RADIAL WIDTH SUBSTANTIALLY GREATER THAN THE REMAINING ARCUATE PORTION, SAID OTHER MEANS HAVING A GROOVE INTERRUPTING SAID SECOND SURFACE AND SERVING TO ACCOMMODATE THE SEAL RING ONE ARCUATE PORTION OF THE GROOVE AS VIEWED IN SECTION BEING FORMED TO PROVIDE SEAL RING RETAINING LIPS AND THE REMAINING ARCUATE PORTION OF THE GROOVE BEING WITHOUT SUCH LIPS, BOTH ARCUATE PORTIONS OF THE GROOVE HAVING A RADIAL WIDTH AT LEAST EQUAL TO THE RADIAL WIDTH OF THE FIRST NAMED ARCUATE PORTION OF THE SEAL RING, AND THE RADIAL SPACING BETWEEN SAID LIPS BEING AT LEAST COMPARABLE TO THE RADIAL WIDTH OF THE SECOND NAMED ARCUATE PORTION OF THE SEAL RING, SAID RING BEING CAPABLE OF ROTATION INTO SAID GROOVE TO BRING THE FIRST NAMED ARCUATE PORTION INTO THAT PORTION OF THE GROOVE THAT IS NOT PROVIDED WITH RETAINING LIPS, WHEREBY THE SEAL RING CAN BE REMOVED.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |