US3120571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of tire diameter regulation in post inflation
Assignee: Pure Oil Co
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Filing: 1959-05-06
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Granted: 1964-02-04
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Expires: 1979-05-06
Abstract
No abstract record available.
Inventors
- 👤 Otto J Wolfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:45
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0633; B29D30/0643; B29D2030/0634; B29D2030/0635; B29D2030/0641
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
IN THE MANUFACTURE OF A PNEUMATIC TIRE HAVING A SYNTHETIC FABRIC-REINFORCED BODY STRUCTURE AND AN OUTER TREAD SURFACE WHEREIN SAID TIRE IS VULCANIZED, REMOVED FROM THE MOLD, MOUNTED ON A RIM AND SUBJECTED TO COOLING UNDER POST-INFLATION CONDITIONS, THE IMPROVEMENT COMPRISING CIRCUMFERENTALLY CONFINING SAID TIRE AT THE TREAD SURFACE ONLY THEREOF WHILE THE SIDEWALLS ARE UNRESTRAINED DURING SAID COOLING, WHEREBY RADIAL GROWTH, UNEVENESS AND OUT-OF-ROUNDNESS OF SAID TIRE ARE MINIMIZED.
References Cited (Backward Citations)
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US2110224A
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US2625981A
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US2764207A
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US2746515A
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US2766006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |