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US3104088A Expired / Lapsed US ⏱️ 0.0 years remaining

Quick connect coupling

Assignee: Crawford Fitting Co
•
Filing: 1960-09-27
•
Granted: 1963-09-17
•
Expires: 1980-09-27
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Abstract

No abstract record available.

Inventors

  • 👤 Edward J Cator

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 23:58
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)

DE587085C Cited
US2108714A Cited
US2177278A Cited
US2473973A Cited
CH272663A Cited
US2565572A Cited

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

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