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US3170720A Expired / Lapsed US ⏱️ 0.0 years remaining

Flexible conduit for piping and the like

Assignee: Individual
•
Filing: 1962-01-30
•
Granted: 1965-02-23
•
Expires: 1982-01-30
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Abstract

No abstract record available.

Inventors

  • 👤 Browning Harold

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 06:23
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/10; F16L27/107

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 115 words
A FLEXIBLE CONDUIT COMPRISING, A FIRST END MEANS HAVING ONE OF ITS ENDS PROVIDED WITH MEANS ENABLING IT TO BE CONNECTED TO ANOTHER PIPE, A SECOND END MEANS PROVIDED WITH MEANS ENABLING IT TO BE CONNECTED TO ANOTHER PIPE, A PLURALITY OF RESILIENT RING COUPLING MEANS, EACH OF SAID RESILIENT RING COUPLING MEANS CONTAINING A PAIR OF ANNULAR CAVITIES, EACH OF SAID CAVITIES BEING LOCATED AT A RESPECTIVE END OF SAID RESILIENT RING COUPLING MEANS, A PLURALITY OF NON-RESILIENT RING ELEMENTS, SAID PLURALITY OF NON-RESILIENT RING ELEMENTS BEING ALTERNATELY COUPLED WITH SAID RESILIENT RING COUPLING MEANS TO FORM A FLEXIBLE FLUIDTIGHT CONDUIT WITH THE END MEMBERS BEING RESILIENT COUPLING MEANS, SAID NON-RESILIENT RING ELEMENTS HAVING
Claim 2
Dependent Claim 115 words
A FLEXIBLE CONDUIT COMPRISING, A FIRST END MEANS HAVING ONE OF ITS ENDS PROVIDED WITH MEANS ENABLING IT TO BE CONNECTED TO ANOTHER PIPE, A SECOND END MEANS PROVIDED WITH MEANS ENABLING IT TO BE CONNECTED TO ANOTHER PIPE, A PLURALITY OF RESILIENT RING COUPLING MEANS, EACH OF SAID RESILIENT RING COUPLING MEANS CONTAINING A PAIR OF ANNULAR CAVITIES, EACH OF SAID CAVITIES BEING LOCATED AT A RESPECTIVE END OF SAID RESILIENT RING COUPLING MEANS, A PLURALITY OF NON-RESILIENT RING ELEMENTS, SAID PLURALITY OF NON-RESILIENT RING ELEMENTS BEING ALTERNATELY COUPLED WITH SAID RESILIENT RING COUPLING MEANS TO FORM A FLEXIBLE FLUIDTIGHT CONDUIT WITH THE END MEMBERS BEING RESILIENT COUPLING MEANS, SAID NON-RESILIENT RING ELEMENTS HAVING

References Cited (Backward Citations)

US899623A Cited
US2123853A Cited
US2305644A Cited
US2349016A Cited
US2394270A Cited
US2514059A Cited
US2739089A Cited
US2748803A Cited
US2748804A Cited
US2898940A Cited
US3006662A Cited
US3029094A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-02-23 1968-08-24 1969-02-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-02-23 1972-08-24 1973-02-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-02-23 1976-08-24 1977-02-23 $7700.00 Window Closed / Lapsed

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