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US2754887A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making a tubeless tire

Assignee: Bridgestone Firestone Inc
•
Filing: 1953-12-24
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Granted: 1956-07-17
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Expires: 1973-12-24
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Abstract

No abstract record available.

Inventors

  • 👤 Clyde R Wykoff

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 13:38
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0681; B29D30/38; B29D30/42; B60; B60C; B60C5/00; B60C5/12; B60C5/14; B29D2030/0682; B29D2030/421; B29D2030/423; B29D2030/427; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10855; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/108

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 208 words
THE METHOD OF MAKING THE INSIDE PLIES OF TUBELESS PNEUMATIC CORD FABRIC TYPE TIRES IMPREVIOUS TO TIRE INFLATIONARY AIR COMPRISING, PREPARING A ROLL OF CORD TIRE FABRIC BY COATING SAME WITH RUBBER ON A RUBBER CALENDER; CUTTING TIRE PLY STRIPS OF PROPER WIDTH, FOR INSIDE PLIES, FOR SAID TIRES, FROM SAID ROLL; CALENDERING A STRIP OF AIRIMPREVIOUS RUBBER MATERIAL, APPLYING SAID STRIP OF RUBBERY MATERIAL IN PERMANENT RELATION TO THE CENTER PORTION OF ONE SIDE OF SAID PLY STRIP, SAID RUBBERY MATERIAL STRIP BEING PLACED THE ENTIRE LENGTH OF SAID PLY STRIP WITH THE EDGES OF SAID RUBBER MATERIAL STRIP SPACED FROM THE EDGES THEREOF; CUTTING PROPER LENGTHS FROM THE ASSEMBLED PLY STRIP AND STRIP OF SAID RUBBERY MATERIAL FOR USE AS THE INSIDE PLIES OF SAID TIRES; REMOVING AT LEAST ONE CORD FROM AN END OF SAID INSIDE PLY LEAVING AN EXTENSION OF SAID RUBBERY MATERIAL STRIP BEYOND THE END OF THE CORD FABRIC PORTION OF THE INNER PLY FROM WHICH SAID CORD OR CORDS HAVE BEEN REMOVED, SPLICING THE ENDS OF THE FABRIC PLY WITH THE CORDS OF THE ENDS PARALLEL AND LAP SPLICING SAID RUBBERY STRIP ON SAID FIRST PLY BY LAPPING SAID EXTENSION THEREOF OVER THE OTHER END OF SAID FIRST CORD FABRIC PLY.

References Cited (Backward Citations)

US2431035A Cited
US2501644A Cited
US2480811A Cited
US2645265A Cited
US2541550A Cited
US2615487A Cited
US2676637A Cited
US2688996A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-07-17 1960-01-16 1960-07-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-07-17 1964-01-16 1964-07-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-07-17 1968-01-16 1968-07-17 $7700.00 Window Closed / Lapsed

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