US3350103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal ring holding device
Assignee: Ventura Tool Co
•
Filing: 1965-09-20
•
Granted: 1967-10-31
•
Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Ahlstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:51
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/035; E21B33/038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN COUPLING DEVICE: A COUPLING MEMBER HAVING A SEALING SURFACE; A SEAL RING HAVING A SURFACE ADAPTED TO SEAL AGAINST SAID SEALING SURFACE; MEANS FOR SUPPORTING SAID SEAL RING ON SAID COUPLING MEMBER COMPRISING RETAINING MEANS ENGAGEABLE WITH SAID SEAL RING AND TENDING INHERENTLY TO SHIFT LATERALLY FROM ENGAGEMENT WITH SAID SEAL RING TO RELEASE SAID SEAL RING FROM SAID COUPLING MEMBER, SPRING MEANS ENGAGEABLE WITH SAID RETAINING MEANS, AND MEANS ON SAID COUPLING MEMBER FOR ENERGIZING SAID SPRING MEANS TO CAUSE SAID SPRING MEANS TO YIELDABLY FORCE SAID RETAINING MEANS INTO ENGAGEMENT WITH SAID SEAL RING TO SUPPORT SAID SEAL RING ON SAID COUPLING MEMBER, SAID ENERGIZING MEANS BEING MOVABLE ON SAID COUPLING MEMBER TO A POSITION DEENERGIZING SAID SPRING MEANS AND ALLOWING SAID RETAINING MEANS TO SHIFT FROM ENGAGEMENT WITH SAID SEAL RING AND PERMIT REMOVAL OF SAID SEAL RING FROM SAID COUPLING MEMBER.
Claim 2
Dependent Claim
146 words
IN COUPLING DEVICE: A COUPLING MEMBER HAVING A SEALING SURFACE; A SEAL RING HAVING A SURFACE ADAPTED TO SEAL AGAINST SAID SEALING SURFACE; MEANS FOR SUPPORTING SAID SEAL RING ON SAID COUPLING MEMBER COMPRISING RETAINING MEANS ENGAGEABLE WITH SAID SEAL RING AND TENDING INHERENTLY TO SHIFT LATERALLY FROM ENGAGEMENT WITH SAID SEAL RING TO RELEASE SAID SEAL RING FROM SAID COUPLING MEMBER, SPRING MEANS ENGAGEABLE WITH SAID RETAINING MEANS, AND MEANS ON SAID COUPLING MEMBER FOR ENERGIZING SAID SPRING MEANS TO CAUSE SAID SPRING MEANS TO YIELDABLY FORCE SAID RETAINING MEANS INTO ENGAGEMENT WITH SAID SEAL RING TO SUPPORT SAID SEAL RING ON SAID COUPLING MEMBER, SAID ENERGIZING MEANS BEING MOVABLE ON SAID COUPLING MEMBER TO A POSITION DEENERGIZING SAID SPRING MEANS AND ALLOWING SAID RETAINING MEANS TO SHIFT FROM ENGAGEMENT WITH SAID SEAL RING AND PERMIT REMOVAL OF SAID SEAL RING FROM SAID COUPLING MEMBER.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |