Patent US3225812A successfully refreshed from Google Patents.
US3225812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airplane tire
Assignee: Goodyear Tire and Rubber Co
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Filing: 1963-06-10
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Granted: 1965-12-28
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Expires: 1983-06-10
Abstract
Abstract 1,033,359. Pneumatic aircraft tyres. GOODYEAR TIRE & RUBBER CO. June 8, 1964 [June 10, 1963], No. 23566/64. Heading B7C. So as to minimize groove cracking, a tread or retread for a pneumatic aircraft tyre 5 comprises adjacent the tread surface plies 14, 15, reinforced by discrete synthetic organic filaments such as nylon, polyester or rayon between 3/8 and 7/8 inch in length and generally orientated circumferentially of the tyre. Preferably the plies 14, 15 contain between 4 and 10 parts by weight of filaments. A ply 8 adjacent the carcass is reinforced with wires between <SP>3</SP>/ 8 and <SP>7</SP>/ 8 inch long either in a random dispersion or generally transversely orientated across the tyre.
Inventors
- 👤 Donald L Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:33
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/0061; B60; B60C; B60C9/00; B60C9/18; B60C9/1821; B60C9/20; B60C9/2003; B60C9/2006; B60C2200/00; B60C2200/02; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10765
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A TOROIDAL TIRE WITH BEADS AND A CARCASS, FOR USE ON AIRPLANES OR THE LIKE, WITH TWO CIRCUMFERENTIAL GROOVES IN ITS TREAD SURFACE, AND A NARROW BAND COMPOSED ENTIRELY OF VULCANIZED RUBBER COMPOUND FORMING THE TREAD SURFACE BETWEEN THE GROOVES WITH EACH END OF THE BAND FORMING THE OUTER PORTION OF A WALL OF EACH GROOVE, AND CONTACTING THE INNER SURFACE OF THIS BAND A CONCENTRATION OF SHORT LENGTHS OF SYNTHETIC ORGANIC FILAMENTS EACH INDIVIDUALLY SURROUNDED BY VULCANIZED RUBBER COMPOUND, THE BAND BECOMING THICKER AS IT APPROACHES EACH GROOVE WHEREBY SAID CONCENTRATION OF SHORT FILAMENT LENGTHS DIPS DOWNWARD UNDER THE BOTTOM OF EACH GROOVE AND IS ADJACENT THE BOTTOM THEREOF.
Claim 2
Dependent Claim
110 words
A TOROIDAL TIRE WITH BEADS AND A CARCASS, FOR USE ON AIRPLANES OR THE LIKE, WITH TWO CIRCUMFERENTIAL GROOVES IN ITS TREAD SURFACE, AND A NARROW BAND COMPOSED ENTIRELY OF VULCANIZED RUBBER COMPOUND FORMING THE TREAD SURFACE BETWEEN THE GROOVES WITH EACH END OF THE BAND FORMING THE OUTER PORTION OF A WALL OF EACH GROOVE, AND CONTACTING THE INNER SURFACE OF THIS BAND A CONCENTRATION OF SHORT LENGTHS OF SYNTHETIC ORGANIC FILAMENTS EACH INDIVIDUALLY SURROUNDED BY VULCANIZED RUBBER COMPOUND, THE BAND BECOMING THICKER AS IT APPROACHES EACH GROOVE WHEREBY SAID CONCENTRATION OF SHORT FILAMENT LENGTHS DIPS DOWNWARD UNDER THE BOTTOM OF EACH GROOVE AND IS ADJACENT THE BOTTOM THEREOF.
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |