US3129964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for liquid absorbent conduit having a crushable spacer
Assignee: Certainteed LLC
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Filing: 1960-06-08
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Granted: 1964-04-21
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Expires: 1980-06-08
Abstract
No abstract record available.
Inventors
- 👤 Mcneil Manford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:37
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/02; F16L17/03; F16L17/035; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T403/00; Y10T403/45; Y10T403/451
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
IN COMBINATION WITH A COUPLING ASSEMBLY COMPRISING A SLEEVE TYPE COUPLING MEMBER AND A CONDUIT ELEMENT SERVING TO CONVEY A LIQUID, SAID CONDUIT ELEMENT BEING MADE OF A MATERIAL WHICH ABSORBS SAID LIQUID AND UNDERGOES SUBSTANTIAL AXIAL EXPANSION AFTER BEING PLACED IN SERVICE, SAID COUPLING MEMBER HAVING A BORE OF DIAMETER SUCH THAT THE END PORTION OF SAID CONDUIT ELEMENT IS FREELY SLIDEABLE THEREIN, THE CONDUIT ELEMENT HAVING ABUTMENT MEANS SPACED FROM THE COUPLING END THEREOF A PREDETERMINED DISTANCE, A SPACING MEANS MOUNTED ON THE COUPLING END OF THE CONDUIT ELEMENT AGAINST SAID ABUTMENT MEANS, THE SPACING MEANS HAVING A DIMENSION TRANSVERSE THE CONDUIT ELEMENT WHICH IS GREATER THAN THAT OF THE BORE IN THE COUPLING MEMBER TO PROVIDE FOR ABUTMENT OF THE SPACING MEANS AGAINST THE COUPLING MEMBER DURING TELESCOPIC ASSEMBLY OF THE CONDUIT ELEMENT AND COUPLING MEMBER, THE SPACING MEANS BEING OF A MATERIAL CAPABLE OF WITHSTANDING NORMAL ASSEMBLY FORCE AND THEREBY SERVING TO LIMIT NORMAL ASSEMBLY OF THE CONDUIT ELEMENT AND COUPLING MEMBER AND CRUSHABLE BY THE FORCE GENERATED BY
Claim 2
Dependent Claim
173 words
IN COMBINATION WITH A COUPLING ASSEMBLY COMPRISING A SLEEVE TYPE COUPLING MEMBER AND A CONDUIT ELEMENT SERVING TO CONVEY A LIQUID, SAID CONDUIT ELEMENT BEING MADE OF A MATERIAL WHICH ABSORBS SAID LIQUID AND UNDERGOES SUBSTANTIAL AXIAL EXPANSION AFTER BEING PLACED IN SERVICE, SAID COUPLING MEMBER HAVING A BORE OF DIAMETER SUCH THAT THE END PORTION OF SAID CONDUIT ELEMENT IS FREELY SLIDEABLE THEREIN, THE CONDUIT ELEMENT HAVING ABUTMENT MEANS SPACED FROM THE COUPLING END THEREOF A PREDETERMINED DISTANCE, A SPACING MEANS MOUNTED ON THE COUPLING END OF THE CONDUIT ELEMENT AGAINST SAID ABUTMENT MEANS, THE SPACING MEANS HAVING A DIMENSION TRANSVERSE THE CONDUIT ELEMENT WHICH IS GREATER THAN THAT OF THE BORE IN THE COUPLING MEMBER TO PROVIDE FOR ABUTMENT OF THE SPACING MEANS AGAINST THE COUPLING MEMBER DURING TELESCOPIC ASSEMBLY OF THE CONDUIT ELEMENT AND COUPLING MEMBER, THE SPACING MEANS BEING OF A MATERIAL CAPABLE OF WITHSTANDING NORMAL ASSEMBLY FORCE AND THEREBY SERVING TO LIMIT NORMAL ASSEMBLY OF THE CONDUIT ELEMENT AND COUPLING MEMBER AND CRUSHABLE BY THE FORCE GENERATED BY
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |