Patent US3104088A successfully refreshed from Google Patents.
US3104088A
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Quick connect coupling
Assignee: Crawford Fitting Co
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Filing: 1960-09-27
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Granted: 1963-09-17
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Expires: 1980-09-27
Abstract
No abstract record available.
Inventors
- 👤 Edward J Cator
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:44
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/28; F16L37/38; F16L37/40; F16L37/407; F16L37/004; F16L37/22; F16L37/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A COUPLING COMPRISING NON-MAGNETIC MALE AND FEMALE MEMBERS, SAID MALE MEMBER HAVING AN EXTERNAL ANNULAR GROOVE AND A MAGNETIC INSERT, SAID FEMALE MEMBER HAVING RADIAL OPENINGS THEREIN, SLIGHTLY MAGNETIC BALL DETENTS IN SAID OPENINGS, AND A SLIDABLE NON-MAGNETIC SLEEVE CARRIED BY SAID FEMALE MEMBER, A MAGNETIC INSERT CARRIED BY SAID SLEEVE, SAID MAGNETIC INSERTS FACING ONE ANOTHER, SAID LATTER MAGNETIC INSERT BEING UNDERCUT, SAID SLEEVE HAVING A PORTION ADAPTED TO OVERLIE SAID RADIAL OPENINGS IN SAID FEMALE MEMBER TO CONFINE SAID BALL DETENTS THEREIN, SAID LATTER PORTION HAVING AN OUTWARDLY AND FORWARDLY INCLINED SHOULDER COOPERATING WITH SAID UNDERCUT PORTION TO PROVIDE A GROOVE ADAPTED TO RECEIVE SAID BALL DETENTS.
Claim 2
Dependent Claim
109 words
A COUPLING COMPRISING NON-MAGNETIC MALE AND FEMALE MEMBERS, SAID MALE MEMBER HAVING AN EXTERNAL ANNULAR GROOVE AND A MAGNETIC INSERT, SAID FEMALE MEMBER HAVING RADIAL OPENINGS THEREIN, SLIGHTLY MAGNETIC BALL DETENTS IN SAID OPENINGS, AND A SLIDABLE NON-MAGNETIC SLEEVE CARRIED BY SAID FEMALE MEMBER, A MAGNETIC INSERT CARRIED BY SAID SLEEVE, SAID MAGNETIC INSERTS FACING ONE ANOTHER, SAID LATTER MAGNETIC INSERT BEING UNDERCUT, SAID SLEEVE HAVING A PORTION ADAPTED TO OVERLIE SAID RADIAL OPENINGS IN SAID FEMALE MEMBER TO CONFINE SAID BALL DETENTS THEREIN, SAID LATTER PORTION HAVING AN OUTWARDLY AND FORWARDLY INCLINED SHOULDER COOPERATING WITH SAID UNDERCUT PORTION TO PROVIDE A GROOVE ADAPTED TO RECEIVE SAID BALL DETENTS.
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |