Patent US3223566A successfully refreshed from Google Patents.
US3223566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making pneumatic tires for vehicles
Assignee: Continental AG
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Filing: 1960-04-11
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Granted: 1965-12-14
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Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Niclas Walter
- 👤 Beckadolph Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:56
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/34; B29D30/20; B29D30/24; B29D30/244; B29D30/246; B29D30/36; B29D2030/086; B29D30/32; B29D2030/3221; B29D2030/3242; B29D2030/3264; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A METHOD OF MAKING SUBSTANTIALLY IDENTICAL PNEUMATIC TIRE CARCASS SECTIONS FOR MAKING PNEUMATIC VEHICLE TIRES THEREFROM, WHICH INCLUDES THE STEPS OF: APPLYING FABRIC PLIES TO AN EXPANDABLE DRUM HAVING SPACED GROOVES THEREIN TO FORM A CYLINDRICAL FABRIC BODY ON THE DRUM HAVING END PORTIONS EXTENDING BEYOND SAID GROOMES AT BOTH ENDS OF THE DRUM, PLACING BEAD CORES UPON THE FABRIC BODY IN ALIGNMENT WITH SAID GROOVES, EXPANDING THE DRUM TO CAUSE THE BEAD CORES TO BE MOVED INTO SAID GROOVES, FOLDING THE END PORTIONS OF SID FABRIC BODY AXIALLY INWARDLY OVER THE RESPECTIVE ADJACENT BEAD CORE, AND CUTTING SAID FABRIC BODY MIDWAY BETWEEN THE TWO BEAD CORES TO FORM TWO CYLINDRICAL SECTIONS.
Claim 2
Independent Claim
112 words
A METHOD OF MAKING SUBSTANTIALLY IDENTICAL PNEUMATIC TIRE CARCASS SECTIONS FOR MAKING PNEUMATIC VEHICLE TIRES THEREFROM, WHICH INCLUDES THE STEPS OF: APPLYING FABRIC PLIES TO AN EXPANDABLE DRUM HAVING SPACED GROOVES THEREIN TO FORM A CYLINDRICAL FABRIC BODY ON THE DRUM HAVING END PORTIONS EXTENDING BEYOND SAID GROOMES AT BOTH ENDS OF THE DRUM, PLACING BEAD CORES UPON THE FABRIC BODY IN ALIGNMENT WITH SAID GROOVES, EXPANDING THE DRUM TO CAUSE THE BEAD CORES TO BE MOVED INTO SAID GROOVES, FOLDING THE END PORTIONS OF SID FABRIC BODY AXIALLY INWARDLY OVER THE RESPECTIVE ADJACENT BEAD CORE, AND CUTTING SAID FABRIC BODY MIDWAY BETWEEN THE TWO BEAD CORES TO FORM TWO CYLINDRICAL SECTIONS.
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |