US3234070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable tire building drum
Assignee: —
•
Filing: 1961-12-18
•
Granted: 1966-02-08
•
Expires: 1981-12-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:21
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/24; B29D30/244; B29D30/245; B29D30/32; B29D2030/3207; B29D2030/3214
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN AN INFLATABLE DRUM FOR BUILDING AND SHAPING TIRES, TWO SPACED COAXIAL RIGID END MEMBERS ADAPTED TO BE MOVED AXIALLY TOWARD AND AWAY FROM EACH OTHER, EACH OF SAID MEMBERS INCLUDING AN INTEGRAL PERIPHERAL FLANGE OF TRUNCATED CONICAL SHAPE WITH THE MAJOR DIAMETER PORTION OF EACH FLANGE DISPOSED AXIALLY INWARDLY, A FLEXIBLE TUBULAR MEMBRANE AND MEANS FIXEDLY SECURING THE EDGES ONLY OF SAID MEMBRANE TO THE OUTER SURFACES OF THE END MEMBERS ADJACENT THE MINOR DIAMETER PORTIONS OF THEIR FLANGES SO THAT PORTIONS OF SAID MEMBRANE REST UPON THE INCLINED PORTIONS OF SAID FLANGES WHEN THE END MEMBERS ARE SEPARATED THE MAXIMUM DISTANCE AND MOVE THEREFROM WHEN INFLATION FLUID IS INTRODUCED INTO SAID DRUM AND THE AXIAL SEPARATION OF SAID END MEMBERS IS REDUCED.
Claim 2
Dependent Claim
124 words
IN AN INFLATABLE DRUM FOR BUILDING AND SHAPING TIRES, TWO SPACED COAXIAL RIGID END MEMBERS ADAPTED TO BE MOVED AXIALLY TOWARD AND AWAY FROM EACH OTHER, EACH OF SAID MEMBERS INCLUDING AN INTEGRAL PERIPHERAL FLANGE OF TRUNCATED CONICAL SHAPE WITH THE MAJOR DIAMETER PORTION OF EACH FLANGE DISPOSED AXIALLY INWARDLY, A FLEXIBLE TUBULAR MEMBRANE AND MEANS FIXEDLY SECURING THE EDGES ONLY OF SAID MEMBRANE TO THE OUTER SURFACES OF THE END MEMBERS ADJACENT THE MINOR DIAMETER PORTIONS OF THEIR FLANGES SO THAT PORTIONS OF SAID MEMBRANE REST UPON THE INCLINED PORTIONS OF SAID FLANGES WHEN THE END MEMBERS ARE SEPARATED THE MAXIMUM DISTANCE AND MOVE THEREFROM WHEN INFLATION FLUID IS INTRODUCED INTO SAID DRUM AND THE AXIAL SEPARATION OF SAID END MEMBERS IS REDUCED.
References Cited (Backward Citations)
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Cited
US2084009A
Cited
US2182176A
Cited
US3035629A
Cited
US3097985A
Cited
US3111445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |