US3073633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw couplings
Assignee: Individual
•
Filing: 1959-05-19
•
Granted: 1963-01-15
•
Expires: 1979-05-19
Abstract
No abstract record available.
Inventors
- 👤 Jeffs Jeffrey William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:55
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/006; F16B; F16B7/00; F16B7/18; F16B7/182; Y; Y10; Y10T; Y10T403/00; Y10T403/36; Y10T403/364; Y10T403/368
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A SCREW COUPLING COMPRISING A COUPLING MEMBER SCREW-THREADED AT ONE END AND FORMED AT ITS OPPOSITE END WITH A SOCKET, A COMPLEMENTARY COUPLING MEMBER ALSO SCREW-THREADED AT ONE END AND FORMED AT ITS OPPOSITE END WITH A SPIGOT PORTION WHICH CAN BE FREELY INSERTED INTO SAID SOCKET IN THE AXIAL DIRECTION, SAID COUPLING MEMBERS HAVING ABUTMENT SHOULDERS WHICH INTERENGAGE WHEN SAID SPIGOT PORTION IS FULLY HOME IN SAID RECESS, AND A GRUB SCREW THREADED THROUGH THE WALL OF THE FIRST-MENTIONED MEMBER FOR ENGAGEMENT WITH A PERIPHERAL ANNULAR RECESS IN SAID SPIGOT PORTION WHEREBY THE LATTER CAN BE RIGIDLY LOCKED IN ANY DESIRED ANGULAR POSITION WITHIN SAID SOCKET, SAID PERIPHERAL GROOVE HAVING AN INCLINED WALL WITH WHICH SAID GRUB SCREW ENGAGES TO PRODUCE AN AXIALLY DIRECTED THRUST URGING SAID ABUTMENT SHOULDERS TOGETHER.
Claim 2
Dependent Claim
131 words
A SCREW COUPLING COMPRISING A COUPLING MEMBER SCREW-THREADED AT ONE END AND FORMED AT ITS OPPOSITE END WITH A SOCKET, A COMPLEMENTARY COUPLING MEMBER ALSO SCREW-THREADED AT ONE END AND FORMED AT ITS OPPOSITE END WITH A SPIGOT PORTION WHICH CAN BE FREELY INSERTED INTO SAID SOCKET IN THE AXIAL DIRECTION, SAID COUPLING MEMBERS HAVING ABUTMENT SHOULDERS WHICH INTERENGAGE WHEN SAID SPIGOT PORTION IS FULLY HOME IN SAID RECESS, AND A GRUB SCREW THREADED THROUGH THE WALL OF THE FIRST-MENTIONED MEMBER FOR ENGAGEMENT WITH A PERIPHERAL ANNULAR RECESS IN SAID SPIGOT PORTION WHEREBY THE LATTER CAN BE RIGIDLY LOCKED IN ANY DESIRED ANGULAR POSITION WITHIN SAID SOCKET, SAID PERIPHERAL GROOVE HAVING AN INCLINED WALL WITH WHICH SAID GRUB SCREW ENGAGES TO PRODUCE AN AXIALLY DIRECTED THRUST URGING SAID ABUTMENT SHOULDERS TOGETHER.
References Cited (Backward Citations)
CA477946A
Cited
US716333A
Cited
US1384045A
Cited
US1547072A
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US2449284A
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US2609638A
Cited
US2619368A
Cited
US2656191A
Cited
US2714026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |