Patent US3414446A successfully refreshed from Google Patents.
US3414446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for building pneumatic tires
Assignee: National Standard Co
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Filing: 1965-10-22
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Granted: 1968-12-03
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Pearce
- 👤 Larry C Frazier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:40
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/32; B29D2030/3221; B29D2030/3242
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
IN A METHOD OF FORMING A TIRE FROM A TUBLAR CYLINDER OF TIRE CARCASS MATERIAL, THE STEPS COMPRISING DISPLACING AN INTERMEDIATE PORTION OF THE TUBULAR CYLINDER INTO SUBSTANTIALLY TORUS CONFIGURATION TO PROVIDE A CROWN PORTION SUBSTANTIALLY OF THE DIAMETER OF THE TIRE AND WITH ANNUALR SIDE WALL PORTIONS EXTENDING INWARDLY FROM THE PERIPHERY OF THE OPPOSITE EDGES OF SAID CROWN PORTION TO END PORTION OF SAID TUBULAR CYLINDER, MAINTAINING SAID SIDE WALL PORTIONS UNDER TENSION WHILE DISPLACING SAID INTERMEDIATE PORTION OF SAID TUBULAR CYLINDER INTO SAID TORUS CONFIGURATION, APPLYING BEAD RINGS TO SAID SIDE WALL PORTIONS RADIALLY OUTWARDLY OF THE END PORTIONS OF SAID TUBULR CYLINDER,
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |