US3722924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined coupling and sealing adapter
Assignee: Individual
•
Filing: 1970-10-16
•
Granted: 1973-03-27
•
Expires: 1990-10-16
Abstract
Abstract A combined coupling and sealing adapter for joining threaded male and female base coupling members, particularly damaged coupling members. The adapter has a compliant tubular body with threaded male and female ends for threaded connection to the female and male base coupling members, respectively, and a terminally flanged resilient sealing sleeve captivated within the adapter body for sealing contact with the coupling members.
Inventors
- 👤 M Bjornsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:52
CPC Classifications
F; F16; F16L; F16L47/00; F16L47/04; F16L19/00; F16L19/02; F16L19/025; F16L47/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A combined coupling and sealing adapter for joining male and female hose couplings comprising: a compliant tubular body having an externally threaded male end and an internally threaded opposite female end both with right hand threads for threaded connection to said female and male couplings, and a resilient sealing sleeve within said body which is substantially symmetrical about a plane bisecting the sleeve endwise and includes an external sealing flange at one end engaging the end face of said male body end, an external sealing flange at its other end engaging an internal shoulder within said female body end, and a tubular portion between said sleeve flanges fitting closely within a cylindrical opening in said body.
Claim 2
Dependent Claim
116 words
A combined coupling and sealing adapter for joining male and female hose couplings comprising: a compliant tubular body having an externally threaded male end and an internally threaded opposite female end both with right hand threads for threaded connection to said female and male couplings, and a resilient sealing sleeve within said body which is substantially symmetrical about a plane bisecting the sleeve endwise and includes an external sealing flange at one end engaging the end face of said male body end, an external sealing flange at its other end engaging an internal shoulder within said female body end, and a tubular portion between said sleeve flanges fitting closely within a cylindrical opening in said body.
References Cited (Backward Citations)
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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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |