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US3079940A Expired / Lapsed US ⏱️ 0.0 years remaining

Inflation stem valve

Assignee: Individual
•
Filing: 1961-05-26
•
Granted: 1963-03-05
•
Expires: 1981-05-26
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Abstract

No abstract record available.

Inventors

  • 👤 Keefe Arthur

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 08:19
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; F16K15/202; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/3786; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882; Y10T137/7883

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 163 words
A VALVE FOR INFLATABLE ARTICLES FABRICATED OF RESILIENT MATERIAL COMPRISING A STEM PROVIDED WITH (1) A FLANGE ON ONE END THEREOF; (2) A FLEXIBLE OPEN ENDED CYLINDRICAL EXTENSION ON ITS OTHER END; (3) AN AIR NEEDLE PASSAGEWAY OPEN AT SAID FLANGED END AND TERMINATING AT A CLOSED PORTION OF SAID STEM ADJACENT SAID EXTENSION, AND (4) A CIRCULAR GROOVE FORMED IN SAID STEM ADJACENT SAID EXTENSION; THE SAID EXTENSION HAVING A RING ON THE FREE EDGE THEREOF, THE FORMATION BEING SUCH THAT AN AIR NEEDLE MAY BE INSERTED THROUGH THE CLOSED PORTION OF SAID STEM INTO SAID PASSAGEWAY TO INFLATE THE ARTICLE TO WHICH THE STEM MAY BE ATTACHED AND, WHEN SAID NEEDLE IS WITHDRAWN, THE FLEXIBLE PORTION OF SAID STEM MAY BE FOLDED DOWN OVER THE END OF SAID STEM TO WHICH SAID FLEXIBLE PORTION IS ATTACHED TO CAUSE THE SAID RING TO FALL INTO SAID GROOVE TO CLOSE THE OPENING IN THE CLOSED PORTION OF SAID STEM CAUSED BY SAID NEEDLE.
Claim 2
Dependent Claim 163 words
A VALVE FOR INFLATABLE ARTICLES FABRICATED OF RESILIENT MATERIAL COMPRISING A STEM PROVIDED WITH (1) A FLANGE ON ONE END THEREOF; (2) A FLEXIBLE OPEN ENDED CYLINDRICAL EXTENSION ON ITS OTHER END; (3) AN AIR NEEDLE PASSAGEWAY OPEN AT SAID FLANGED END AND TERMINATING AT A CLOSED PORTION OF SAID STEM ADJACENT SAID EXTENSION, AND (4) A CIRCULAR GROOVE FORMED IN SAID STEM ADJACENT SAID EXTENSION; THE SAID EXTENSION HAVING A RING ON THE FREE EDGE THEREOF, THE FORMATION BEING SUCH THAT AN AIR NEEDLE MAY BE INSERTED THROUGH THE CLOSED PORTION OF SAID STEM INTO SAID PASSAGEWAY TO INFLATE THE ARTICLE TO WHICH THE STEM MAY BE ATTACHED AND, WHEN SAID NEEDLE IS WITHDRAWN, THE FLEXIBLE PORTION OF SAID STEM MAY BE FOLDED DOWN OVER THE END OF SAID STEM TO WHICH SAID FLEXIBLE PORTION IS ATTACHED TO CAUSE THE SAID RING TO FALL INTO SAID GROOVE TO CLOSE THE OPENING IN THE CLOSED PORTION OF SAID STEM CAUSED BY SAID NEEDLE.

References Cited (Backward Citations)

US2064695A Cited
US2387455A Cited
US2600862A Cited
US2710623A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-03-04 1966-09-03 1967-03-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-03-04 1970-09-03 1971-03-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-03-04 1974-09-03 1975-03-05 $7700.00 Window Closed / Lapsed

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