Patent US3164125A successfully refreshed from Google Patents.
US3164125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire valve safety cap
Assignee: Individual
•
Filing: 1962-09-20
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Granted: 1965-01-05
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Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 James L Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:29
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; B60C23/0491; B60C23/0496
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A REMOVABLY ATTACHABLE AIR LEAK INDICATOR FOR THE AIR VALVE OF A VEHICLE TIRE COMPRISING A CYLINDRICAL HOUSING HAVING A CENTRAL AXIS PASSAGE CLOSED AT ONE END BY A FRANGIBLE CAP AND INTERIORLY THREADED AT THE OTHER END FOR MOUNTING ON THE VALVE, AN EXPANDABLE MEMBER POSITIONED WITHIN SAID PASSAGE NEXT TO SAID FRANGIBLE CAP, MEANS FOR SEALINGLY ENGAGING SAID EXPANDABLE MEMBER WITHIN THE WALLS OF SAID PASSAGE INTERIORLY OF SAID THREADED END, AND MEANS FOR MOUNTING SAID INDICATOR ON SAID VALVE WITH THE INTERIOR OF SAID EXPANDABLE MEMBER IN COMMUNICATION WITH THE VALVE WHEREBY AIR LEAKING THROUGH SAID VALVE WILL EXPAND SAID MEMBER AND BREAK SAID CAP SO THAT THE MEMBER IS VISIBLE TO THE EYE.
Claim 2
Dependent Claim
117 words
A REMOVABLY ATTACHABLE AIR LEAK INDICATOR FOR THE AIR VALVE OF A VEHICLE TIRE COMPRISING A CYLINDRICAL HOUSING HAVING A CENTRAL AXIS PASSAGE CLOSED AT ONE END BY A FRANGIBLE CAP AND INTERIORLY THREADED AT THE OTHER END FOR MOUNTING ON THE VALVE, AN EXPANDABLE MEMBER POSITIONED WITHIN SAID PASSAGE NEXT TO SAID FRANGIBLE CAP, MEANS FOR SEALINGLY ENGAGING SAID EXPANDABLE MEMBER WITHIN THE WALLS OF SAID PASSAGE INTERIORLY OF SAID THREADED END, AND MEANS FOR MOUNTING SAID INDICATOR ON SAID VALVE WITH THE INTERIOR OF SAID EXPANDABLE MEMBER IN COMMUNICATION WITH THE VALVE WHEREBY AIR LEAKING THROUGH SAID VALVE WILL EXPAND SAID MEMBER AND BREAK SAID CAP SO THAT THE MEMBER IS VISIBLE TO THE EYE.
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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) | 1968-01-05 | 1968-07-06 | 1969-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-05 | 1972-07-06 | 1973-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-05 | 1976-07-06 | 1977-01-05 | $7700.00 | Window Closed / Lapsed |