Patent US3079940A successfully refreshed from Google Patents.
US3079940A
Expired / Lapsed
US
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Inflation stem valve
Assignee: Individual
•
Filing: 1961-05-26
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Granted: 1963-03-05
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Expires: 1981-05-26
Abstract
No abstract record available.
Inventors
- 👤 Keefe Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:22
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OF SAID STEM INTO SAID PASSAGEWAY TO INFLATE THE ARTICLE TO WHICH THE STEM MAY BE ATTACHED AND, WHEN SAID NEEDLE IS WITHDRAWN, THE FLEXIBLE PORTION OF SAID STEM MAY BE FOLDED DOWN OVER THE END OF SAID STEM TO WHICH SAID FLEXIBLE PORTION IS ATTACHED TO CAUSE THE SAID RING TO FALL INTO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OF SAID STEM INTO SAID PASSAGEWAY TO INFLATE THE ARTICLE TO WHICH THE STEM MAY BE ATTACHED AND, WHEN SAID NEEDLE IS WITHDRAWN, THE FLEXIBLE PORTION OF SAID STEM MAY BE FOLDED DOWN OVER THE END OF SAID STEM TO WHICH SAID FLEXIBLE PORTION IS ATTACHED TO CAUSE THE SAID RING TO FALL INTO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)
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 |