US3177918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of building a tread on pneumatic tires
Assignee: WJ Voit Rubber Corp
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Filing: 1959-12-24
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Granted: 1965-04-13
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Expires: 1979-12-24
Abstract
No abstract record available.
Inventors
- 👤 Rudolph G Holman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:27
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/28; B29D30/52; B29D30/58; B29D30/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE COMBINATION WITH A TIRE CARCASS, HAVING A PERIPHERAL TREAD AND SIDEWALL AREAS, OF A VARIABLE THICKNESS CONTOUR LAYER OF ELASTOMERIC TREAD MATERIAL, SAID LAYER (A) BEING FORMED OF A CONTINUOUS RIBBON OF ELASTOMERIC MATERIAL HAVING A WIDTH SEVERAL TIMES ITS THICKNESS AND GREATER THAN THE MAXIMUM THICKNESS OF THE TREAD, (B) WOUND ABOUT THE PERIPHERY OF SAID CARCASS FROM ONE SIDE WALL TO THE OTHER SIDE WALL, WITH SUCCEEDING
Claim 2
Dependent Claim
70 words
THE COMBINATION WITH A TIRE CARCASS, HAVING A PERIPHERAL TREAD AND SIDEWALL AREAS, OF A VARIABLE THICKNESS CONTOUR LAYER OF ELASTOMERIC TREAD MATERIAL, SAID LAYER (A) BEING FORMED OF A CONTINUOUS RIBBON OF ELASTOMERIC MATERIAL HAVING A WIDTH SEVERAL TIMES ITS THICKNESS AND GREATER THAN THE MAXIMUM THICKNESS OF THE TREAD, (B) WOUND ABOUT THE PERIPHERY OF SAID CARCASS FROM ONE SIDE WALL TO THE OTHER SIDE WALL, WITH SUCCEEDING
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |