Patent US3756883A successfully refreshed from Google Patents.
US3756883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat band method of making radial tires
Assignee: Bridgestone Firestone Inc
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Filing: 1971-06-04
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Granted: 1973-09-04
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Expires: 1991-06-04
Abstract
Abstract THIS DISCLOSURE RELATES TO A RADIAL PLY TIRE WHEREIN THE TREAD PLY BELT WAS CONSTRUCTED HAVING REINFORCING CORDS COMPRISED OF LOW TENSILE STRENGTH CORE AROUND WHICH THE TIRE REINFORCING CABLE WAS HELICALLY WRAPPED SO THAT IN THE EXPANDED, FINISHED TIRE THE TREAD PLY BELT CORES HAD THE REINFORCING CABLES FULLY EXTENDED AND ADJACENTLY ALIGNED AND THE LOW TENSILE STRENGTH CORES HAVE BROKEN IN SEVERAL PLACES ALONG THEIR LENGTH. THIS RADIAL PLY TIRE CONSTRUCTION PERMITS THE BUILDING OF THE RADIAL PLY TIRE BY THE SINGLE STAGE METHOD.
Inventors
- 👤 C Gay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:13
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/06; D07B1/0606; D07B1/062; B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/22; B60; B60C; B60C9/00; B60C9/0042; B60C9/18; B60C9/20; D07B2201/00; D07B2201/20; D07B2201/2015; D07B2201/2023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |