US3310064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve core
Assignee: Millennium Petrochemicals Inc
•
Filing: 1964-01-22
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Granted: 1967-03-21
•
Expires: 1984-01-22
Abstract
No abstract record available.
Inventors
- 👤 Frank J Voos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:50
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/3786; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A PNEUMATIC TIRE VALVE CORE COMPRISING A TUBULAR BARREL HAVING AN AXIALLY EXTENDING ANNULAR LIP PORTION AT ONE END THEREOF AND A SCREW PLUG MEMBER AT THE OTHER END THEREOF ADAPTED TO MATE WITH THE INTERNAL THREADS OF A TIRE VALVE STEM, AN ELASTOMERIC SLEEVE DISPOSED ON SAID BARREL AND HAVING AN AXIAL PORTION THEREOF ADAPTED TO SEAL SAID CORE WITHIN THE TIRE VALVE STEM AND AN END PORTION THEREOF EXTENDING BEYOND THE END OF SAID LIP PORTION AND SPACED RADIALLY INWARDLY FROM THE WALL OF SAID STEM, A SPRING BIASED VALVE PIN DISPOSED AXIALLY IN SAID BARREL HAVING AN ENLARGED SEALING HEAD DISPOSED EXTERNALLY OF THE LIP END THEREOF WITH A SUBSTANTIALLY FLAT ANNULAR SEALING FACE THEREON MOVABLE AGAINST THE BOTTOM EDGE OF SAID END PORTION IN RESILIENT SEALING RELATIONSHIP, SAID END PORTION OF SAID SLEEVE AND SAID SLEEVE REMAINS
Claim 2
Dependent Claim
141 words
A PNEUMATIC TIRE VALVE CORE COMPRISING A TUBULAR BARREL HAVING AN AXIALLY EXTENDING ANNULAR LIP PORTION AT ONE END THEREOF AND A SCREW PLUG MEMBER AT THE OTHER END THEREOF ADAPTED TO MATE WITH THE INTERNAL THREADS OF A TIRE VALVE STEM, AN ELASTOMERIC SLEEVE DISPOSED ON SAID BARREL AND HAVING AN AXIAL PORTION THEREOF ADAPTED TO SEAL SAID CORE WITHIN THE TIRE VALVE STEM AND AN END PORTION THEREOF EXTENDING BEYOND THE END OF SAID LIP PORTION AND SPACED RADIALLY INWARDLY FROM THE WALL OF SAID STEM, A SPRING BIASED VALVE PIN DISPOSED AXIALLY IN SAID BARREL HAVING AN ENLARGED SEALING HEAD DISPOSED EXTERNALLY OF THE LIP END THEREOF WITH A SUBSTANTIALLY FLAT ANNULAR SEALING FACE THEREON MOVABLE AGAINST THE BOTTOM EDGE OF SAID END PORTION IN RESILIENT SEALING RELATIONSHIP, SAID END PORTION OF SAID SLEEVE AND SAID SLEEVE REMAINS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |