US3392072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire construction
Assignee: Sterling Alderfer Co
•
Filing: 1964-09-01
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Granted: 1968-07-09
•
Expires: 1984-09-01
Abstract
No abstract record available.
Inventors
- 👤 Sterling W Alderfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:41
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A METHOD OF MAKING A TIRE CARCASS READY FOR CURING, HAVING AT LEAST TWO PLIES AND A TREAD PORTION, ON A FLAT SURFACE CYLINDRICAL DRUM 49, WHEREIN A LENGTH OF RUBBERIZED FABRIC 50 IS WOUND AROUND SAID DRUM AND THE ENDS THEREOF ARE SPLICED TO FORM THE EXTERIOR PLY OF A CURED TIRE AND AT LEAST ONE ADDITIONAL LENGTH OF RUBBERIZED FABRIC 52 IS WOUND AROUND SAID EXTERIOR PLY AND THE ENDS THEREOF ARE SPLICED TO FORM THE INTERIOR PLY OF A TIRE, CHARACTERIZED IN THAT, THE EXTERIOR PLIES 50, 52 ARE FOLDED TOWARD THE MIDDLE OF THE DRUM SO THAT (IN SUCH A MANNER THAT) THE CYLINDRICAL PLY ENDS ARE INTERLEAFED AND FORMING AN EXTERIOR SEAM ON THE OUTER SURFACE OF THE FOLDED PLIES, AND THE OUTER SURFACE OF THE FOLED PLIES AND THE
Claim 2
Independent Claim
135 words
A METHOD OF MAKING A TIRE CARCASS READY FOR CURING, HAVING AT LEAST TWO PLIES AND A TREAD PORTION, ON A FLAT SURFACE CYLINDRICAL DRUM 49, WHEREIN A LENGTH OF RUBBERIZED FABRIC 50 IS WOUND AROUND SAID DRUM AND THE ENDS THEREOF ARE SPLICED TO FORM THE EXTERIOR PLY OF A CURED TIRE AND AT LEAST ONE ADDITIONAL LENGTH OF RUBBERIZED FABRIC 52 IS WOUND AROUND SAID EXTERIOR PLY AND THE ENDS THEREOF ARE SPLICED TO FORM THE INTERIOR PLY OF A TIRE, CHARACTERIZED IN THAT, THE EXTERIOR PLIES 50, 52 ARE FOLDED TOWARD THE MIDDLE OF THE DRUM SO THAT (IN SUCH A MANNER THAT) THE CYLINDRICAL PLY ENDS ARE INTERLEAFED AND FORMING AN EXTERIOR SEAM ON THE OUTER SURFACE OF THE FOLDED PLIES, AND THE OUTER SURFACE OF THE FOLED PLIES AND THE
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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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |