US3556891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic tire method of fabrication and intermediate article
Assignee: Uniroyal Inc
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Filing: 1969-04-21
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Granted: 1971-01-19
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Expires: 1989-04-21
Abstract
Abstract THE METHOD OF MANUFACTURING A PNEUMATIC MULTI-PLY FIRE ON A SHOULDER DRUM HAVING A CIRCUMFERENTIALLY EXTENDING GROOVE THEREIN COMPRISING THE STEPS OF FORMING A TIRE CARCASS BY DISPOSING AT LEAST THE INNERMOST PLY OF REINFORCING MATERIAL ABOUT THE DRUM SURFACE AND INTO THE GROOVE, AND DISPOSING AT LEAST THE OUTERMOST PLY OF REINFORCING MATERIAL IN SURROUNDING RELATION TO THE INNER PLY AND BRIDGING THE GROOVE AND PLACING THE CARCASS IN A MOLD FOR FINAL FORMING.
Inventors
- 👤 Paul S Martinkovic
- 👤 Lester M Symons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:56
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/02; B60C9/04; B60C9/06; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/32; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10855
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |