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US2649134A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making pneumatic tires

Assignee: Uniroyal Inc
•
Filing: 1951-01-23
•
Granted: 1953-08-18
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Expires: 1971-01-23
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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)

US2170947A Cited
US2501493A Cited
US2405943A Cited
US2566328A Cited

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

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