US3281305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire building drum variable in diameter
Assignee: Continental AG
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Filing: 1962-12-10
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Granted: 1966-10-25
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Expires: 1982-12-10
Abstract
No abstract record available.
Inventors
- 👤 Nadler Heinrich
- 👤 Menell Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:38
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/32; B29D2030/3214; B29D2030/3221; B29D2030/3242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A TIRE BUILDING DRUM HAVING A PERIPHERAL CENTRAL CYLINDRICAL PORTION FOR MOUNTING THE FABRIC OF A TIRE CARCASS AND PERIPHERAL END PORTIONS OF LESSER DIAMETER, AND COMPRISING A PLURALITY OF RADIALLY ADJUSTABLE SEGMENTS OPERABLE TO VARY THE DIAMETER OF SAID DRUM, AND RESILIENT ANNULAR INFLATABLE BODIES OVER WHICH SAID FABRIC EXTENDS, RESPECTIVELY ARRANGED ON THE PERIPHERAL END PORTIONS OF SAID DRUM AND CIRCUMFERENTIALLY SURROUNDING AND THEREBY EMBRACING THE END PORTIONS OF SAID SEGMENTS, EACH OF SAID BODIES AT ITS INNER END ADJACENT SAID CENTRAL PORTION BEING
Claim 2
Dependent Claim
86 words
A TIRE BUILDING DRUM HAVING A PERIPHERAL CENTRAL CYLINDRICAL PORTION FOR MOUNTING THE FABRIC OF A TIRE CARCASS AND PERIPHERAL END PORTIONS OF LESSER DIAMETER, AND COMPRISING A PLURALITY OF RADIALLY ADJUSTABLE SEGMENTS OPERABLE TO VARY THE DIAMETER OF SAID DRUM, AND RESILIENT ANNULAR INFLATABLE BODIES OVER WHICH SAID FABRIC EXTENDS, RESPECTIVELY ARRANGED ON THE PERIPHERAL END PORTIONS OF SAID DRUM AND CIRCUMFERENTIALLY SURROUNDING AND THEREBY EMBRACING THE END PORTIONS OF SAID SEGMENTS, EACH OF SAID BODIES AT ITS INNER END ADJACENT SAID CENTRAL PORTION BEING
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |