Patent US3087747A successfully refreshed from Google Patents.
US3087747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connector for resilient tubing
Assignee: Individual
•
Filing: 1960-11-10
•
Granted: 1963-04-30
•
Expires: 1980-11-10
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Novotny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:21
CPC Classifications
F; F16; F16L; F16L31/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49945
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A CONDUIT COMPRISING, IN COMBINATION, A PAIR OF FLEXIBLE TUBE SECTIONS HAVING ONE END PORTION TELESCOPICALLY CONNECTED, A RIGID INNER TUBE IN THE TELESCOPED END PORTIONS OF THE SECTIONS, AND A RIGID OUTER TUBE SLIDABLE LONGITUDINALLY ON THE TELESCOPED END PORTIONS OF THE SECTIONS, SAID INNER AND OUTER TUBES COMPRISING, RESPECTIVELY, EXTERNALLY ENLARGED AND INTERNALLY REDUCED, COACTING INTERMEDIATE PORTIONS ADAPTED TO BE BROUGHT INTO SPACED CONCENTRIC RELATION WITH THE SECTIONS THEREBETWEEN IN RESPONSE TO RELATIVE LONGITUDINAL MOVEMENT OF THE TUBES, SAID SECTIONS HAVING A NORMAL COMBINED THICKNESS EXCEEDING THE SPACING OF THE INTERMEDIATE TUBE PORTIONS TO BE RADIALLY COMPRESSED AND FRICTIONALLY ANCHORED THEREBETWEEN WHEN SAID INTERMEDIATE TUBE PORTIONS ARE BROUGHT INTO SAID SPACED, CONCENTRIC RELATION TO EACH OTHER, SAID INTERMEDIATE TUBE PORTIONS BEING GENERALLY CYLINDRICAL AND INCLUDING GENERALLY FRUSTO-CONICAL END PORTIONS.
Claim 2
Dependent Claim
131 words
A CONDUIT COMPRISING, IN COMBINATION, A PAIR OF FLEXIBLE TUBE SECTIONS HAVING ONE END PORTION TELESCOPICALLY CONNECTED, A RIGID INNER TUBE IN THE TELESCOPED END PORTIONS OF THE SECTIONS, AND A RIGID OUTER TUBE SLIDABLE LONGITUDINALLY ON THE TELESCOPED END PORTIONS OF THE SECTIONS, SAID INNER AND OUTER TUBES COMPRISING, RESPECTIVELY, EXTERNALLY ENLARGED AND INTERNALLY REDUCED, COACTING INTERMEDIATE PORTIONS ADAPTED TO BE BROUGHT INTO SPACED CONCENTRIC RELATION WITH THE SECTIONS THEREBETWEEN IN RESPONSE TO RELATIVE LONGITUDINAL MOVEMENT OF THE TUBES, SAID SECTIONS HAVING A NORMAL COMBINED THICKNESS EXCEEDING THE SPACING OF THE INTERMEDIATE TUBE PORTIONS TO BE RADIALLY COMPRESSED AND FRICTIONALLY ANCHORED THEREBETWEEN WHEN SAID INTERMEDIATE TUBE PORTIONS ARE BROUGHT INTO SAID SPACED, CONCENTRIC RELATION TO EACH OTHER, SAID INTERMEDIATE TUBE PORTIONS BEING GENERALLY CYLINDRICAL AND INCLUDING GENERALLY FRUSTO-CONICAL END PORTIONS.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |