US3124374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
John t
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:19
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/12; F16L37/18; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A SAFETY LOCK COUPLING COMPRISING A TUBULAR MALE MEMBER AND A COMPLEMENTARY FEMALE MEMBER, SAID MALE MEMBER HAVING A CIRCUMFERENTIAL GROOVED PORTION THEREON, THE PLANE OF WHICH IS SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF SAID MALE MEMBER, AT LEAST ONE CLAMPING SURFACE SUBSTANTIALLY COMPLEMENTARY TO SAID GROOVED PORTION MOUNTED ON SAID FEMALE MEMBER FOR PIVOTAL MOVEMENT INTO AND OUT OF CLAMPING RELATIONSHIP WITH SAID GROOVED PORTION, AT LEAST ONE RETAINING SURFACE OF SOMEWHAT SMALLER DIMENSIONS THAN SAID GROOVED PORTION MOUNTED ON SAID FEMALE MEMBER FOR MOVEMENT INTO AND OUT OF SAID GROOVED PORTION WHEREBY, WHEN SAID CLAMPING SURFACE IS OUT OF CLAMPING RELATIONSHIP WITH SAID GROOVED PORTION, AND SAID RETAINING SURFACE IS IN SAID GROOVED PORTION, THE COUPLING CAN SEPARATE SLIGHTLY.
Claim 2
Dependent Claim
121 words
A SAFETY LOCK COUPLING COMPRISING A TUBULAR MALE MEMBER AND A COMPLEMENTARY FEMALE MEMBER, SAID MALE MEMBER HAVING A CIRCUMFERENTIAL GROOVED PORTION THEREON, THE PLANE OF WHICH IS SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF SAID MALE MEMBER, AT LEAST ONE CLAMPING SURFACE SUBSTANTIALLY COMPLEMENTARY TO SAID GROOVED PORTION MOUNTED ON SAID FEMALE MEMBER FOR PIVOTAL MOVEMENT INTO AND OUT OF CLAMPING RELATIONSHIP WITH SAID GROOVED PORTION, AT LEAST ONE RETAINING SURFACE OF SOMEWHAT SMALLER DIMENSIONS THAN SAID GROOVED PORTION MOUNTED ON SAID FEMALE MEMBER FOR MOVEMENT INTO AND OUT OF SAID GROOVED PORTION WHEREBY, WHEN SAID CLAMPING SURFACE IS OUT OF CLAMPING RELATIONSHIP WITH SAID GROOVED PORTION, AND SAID RETAINING SURFACE IS IN SAID GROOVED PORTION, THE COUPLING CAN SEPARATE SLIGHTLY.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |