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US3111445A Expired / Lapsed US ⏱️ 0.0 years remaining

Tire building and shaping drum

Assignee: Pneumatiques Caoutchouc Manufacture et Plastiques Kleber Colombes SA
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Filing: 1960-07-05
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Granted: 1963-11-19
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Expires: 1980-07-05
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Abstract

No abstract record available.

Inventors

  • 👤 Pouilloux Jacques
  • 👤 Paul Jean R Saint

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:57
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/36; B29D30/08; B29D30/20; B29D30/24; B29D30/244; B29D30/245; B29D30/32; B29D2030/3214

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 124 words
A TIRE BUILDING AND SHAPING DRUM COMPRISING A PAIR OF AXIALLY SPACED AIR-IMPERVIOUS SIDE MEMBERS, MEANS SUPPORTING SAID SIDE MEMBERS COAXIALLY FOR RELATIVE AXIAL MOVEMENTS, AND ANNULAR FLEXIBLE AIR-IMPREVIOUS MEMBRANE INEXTENSIBLE IN AN AXIAL DIRECTION, CLAMP MEANS ON EACH SIDE MEMBER SECURING THE EDGES OF SAID MEMBRANE TO THE SAID SIDE MEMBERS WITH AN UNSUPPORTED PORTION OF THE MEMBRANE BETWEEN THE SIDE MEMBERS TO PROVIDE THEREWITH AN ENCLOSED AIR CHAMBER HAVING A PASSAGE THEREINTO FOR AIR UNDER PRESSURE, THE SAID MEMBRANE AND SAID MEMBERS IN ONE POSITION THEREOF DISPOSING SAID MEMBRANE IN A SUBSTNTIALLY CYLINDRICAL CONFIGURATION AND MOVABLE THEREFROM TO ANOTHER POSITION TO DISPOSE THE SAID MEMBRANE IN A SUBSTNTIALLY TOROIDAL CONFIGURATION WHEN AIR UNDER PRESSURE IS INTRODUCED INTO SAID CHAMBER, AND MEANS TO
Claim 2
Dependent Claim 124 words
A TIRE BUILDING AND SHAPING DRUM COMPRISING A PAIR OF AXIALLY SPACED AIR-IMPERVIOUS SIDE MEMBERS, MEANS SUPPORTING SAID SIDE MEMBERS COAXIALLY FOR RELATIVE AXIAL MOVEMENTS, AND ANNULAR FLEXIBLE AIR-IMPREVIOUS MEMBRANE INEXTENSIBLE IN AN AXIAL DIRECTION, CLAMP MEANS ON EACH SIDE MEMBER SECURING THE EDGES OF SAID MEMBRANE TO THE SAID SIDE MEMBERS WITH AN UNSUPPORTED PORTION OF THE MEMBRANE BETWEEN THE SIDE MEMBERS TO PROVIDE THEREWITH AN ENCLOSED AIR CHAMBER HAVING A PASSAGE THEREINTO FOR AIR UNDER PRESSURE, THE SAID MEMBRANE AND SAID MEMBERS IN ONE POSITION THEREOF DISPOSING SAID MEMBRANE IN A SUBSTNTIALLY CYLINDRICAL CONFIGURATION AND MOVABLE THEREFROM TO ANOTHER POSITION TO DISPOSE THE SAID MEMBRANE IN A SUBSTNTIALLY TOROIDAL CONFIGURATION WHEN AIR UNDER PRESSURE IS INTRODUCED INTO SAID CHAMBER, AND MEANS TO

References Cited (Backward Citations)

US1789143A Cited
GB432412A Cited
US2814330A Cited
GB825806A Cited
US2935117A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-11-18 1967-05-20 1967-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-11-18 1971-05-20 1971-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-11-18 1975-05-20 1975-11-19 $7700.00 Window Closed / Lapsed

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