US3118692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic hose coupling
Assignee: Individual
•
Filing: 1959-07-30
•
Granted: 1964-01-21
•
Expires: 1979-07-30
Abstract
No abstract record available.
Inventors
- 👤 Nelson S Fitzhugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:50
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/006; F16L47/00; F16L47/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A COUPLING FOR CONNECTING TWO SECTIONS OF PLASTIC HOSE WITHOUT RESTRICTING THE FLOW PATH THROUGH THE HOSE, COMPRISING A TUBULAR MEMBER EXTERNALLY THREADED AT EACH END THEREOF INTO WHICH ONE END OF EACH OF SAID HOSE SECTIONS IS ADAPTED TO BE INSERTED, A PLURALITY OF LONGITUDINAL SLOTS CUT FROM EACH END TO A POINT LESS THAN HALF THE LENGTH OF SAID TUBULAR MEMBER, AN INTERNALLY THREADED TAPERED SLEEVE ADAPTED TO BE THREADED LARGE END FIRST ON EACH END OF SAID TUBULAR MEMBER, AND A SERIES OF GRADUATED CIRCUMFERENTIAL SERRATIONS IN EACH END OF SAID TUBE, SAID SERRATIONS HAVING INNER AND OUTER FACES AND SAID SERRATIONS BEING LARGER TOWARD THE ENDS OF SAID TUBE THAN IN THE INNER PORTION THEREOF.
Claim 2
Dependent Claim
119 words
A COUPLING FOR CONNECTING TWO SECTIONS OF PLASTIC HOSE WITHOUT RESTRICTING THE FLOW PATH THROUGH THE HOSE, COMPRISING A TUBULAR MEMBER EXTERNALLY THREADED AT EACH END THEREOF INTO WHICH ONE END OF EACH OF SAID HOSE SECTIONS IS ADAPTED TO BE INSERTED, A PLURALITY OF LONGITUDINAL SLOTS CUT FROM EACH END TO A POINT LESS THAN HALF THE LENGTH OF SAID TUBULAR MEMBER, AN INTERNALLY THREADED TAPERED SLEEVE ADAPTED TO BE THREADED LARGE END FIRST ON EACH END OF SAID TUBULAR MEMBER, AND A SERIES OF GRADUATED CIRCUMFERENTIAL SERRATIONS IN EACH END OF SAID TUBE, SAID SERRATIONS HAVING INNER AND OUTER FACES AND SAID SERRATIONS BEING LARGER TOWARD THE ENDS OF SAID TUBE THAN IN THE INNER PORTION THEREOF.
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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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |