US2649134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making pneumatic tires
Assignee: Uniroyal Inc
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Filing: 1951-01-23
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Granted: 1953-08-18
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Expires: 1971-01-23
Abstract
No abstract record available.
Inventors
- 👤 William A Steinle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:06
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/72; Y; Y10; Y10S; Y10S152/00; Y10S152/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
158 words
A METHOD OF MAKING A PNEUMATIC TIRE COMPRISING THE STEPS OF FORMING A THIN LAYER OF OZONERESISTANT AND WEATHER-RESISTANT VULCANIZABLE STOCK, FORMING A THIN LAYER OF VULCANIZABLE UNDER SIDEWALL STOCK, FIRMLY BONDING THE SAID LAYER OF VULCANIZABLE OZONE-RESISTANT AND WEATHER-RESISTANT STOCK DIRECTLY TO THE SURFACE OF THE SAID LAYER OF VULCANIZABLE UNDER-SIDEWALL STOCK BY SIMULTANEOUS APPLICATION OF HEAT AND PRESSURE TO THE SAID VULCANIZABLE LAYERS, THE SURFACE OF THE SAID OZONE-RESISTANT AND WEATHER-RESISTANT LAYER BEING IN DIRECT, INTIMATE CONTACT WITH THE SURFACE OF THE UNDER-SIDEWALL LAYER, PROVIDING A RAW TIRE CARCASS, SUBSEQUENTLY APPLYING THE THUS-ASSMEBLED VULCANIZABLE OZONE-RESISTANT AND WEATHER-RESISTANT LAYER AND UNDER-SIDEWALL LAYER TO THE RAW TIRE CARCASS WITH THE UNDER-SURFACE OF THE SAID UNDERSIDEWALL LAYER IN CONTACT WITH THE SIDEWALL AREA OF THE SAID RAW TIRE CARCASS AND THE SAID OZONERESISTANT AND WEATHER-RESISTANT LAYER FORMING THE OUTER SURFACE OF THE TIRE SIDEWALL TO PROVIDE A PROTECTIVE VENEER THEREON, AND SUBSEQUENTLY VULCANIZING THE ENTIRE ASSEMBLY IN TIRE SHAPE.
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) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |