Patent US3243338A successfully refreshed from Google Patents.
US3243338A
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Flexible elastomeric articles and reinforcement therefor
Assignee: Sumitomo Rubber USA LLC
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Filing: 1961-08-07
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Granted: 1966-03-29
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Expires: 1981-08-07
Abstract
No abstract record available.
Inventors
- 👤 Jackson William Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:54
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/44; D02G3/48; B; B60; B60C; B60C9/00; B60C9/0042; D10; D10B; D10B2201/00; D10B2201/20; D10B2201/22; D10B2201/24; D10B2331/00; D10B2331/02; Y; Y10; Y10S; Y10S57/00; Y10S57/902; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10765; Y10T152/10801; Y10T428/00; Y10T428/23; Y10T428/239; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24116; Y10T428/249921; Y10T428/249922; Y10T428/29; Y10T428/2913; Y10T428/2929; Y10T428/298
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
70 words
IN A FLEXIBLE ELASTOMERIC ARTICLE, A REINFORCEMENT COMPRISING A SHEET OF PARALLEL CORDS, EACH OF SAID CORDS COMPRISING A PLURALITY OF RIGID FILAMENTS FORMING A CORE AND HAVING A TWIST OF LESS THAN 3 TURNS PER INCH AND A DENIER GREATER THAN 6, AND AT LEAST TWO LAYERS OF YARNS TIGHTLY WOUND OVER SAID FILAMENTS AND EXTENDING AT AN ACUTE ANGLE WITH RESPECT TO THE TRANSVERSE AXIS OF SAID CORD.
Claim 2
Dependent Claim
70 words
IN A FLEXIBLE ELASTOMERIC ARTICLE, A REINFORCEMENT COMPRISING A SHEET OF PARALLEL CORDS, EACH OF SAID CORDS COMPRISING A PLURALITY OF RIGID FILAMENTS FORMING A CORE AND HAVING A TWIST OF LESS THAN 3 TURNS PER INCH AND A DENIER GREATER THAN 6, AND AT LEAST TWO LAYERS OF YARNS TIGHTLY WOUND OVER SAID FILAMENTS AND EXTENDING AT AN ACUTE ANGLE WITH RESPECT TO THE TRANSVERSE AXIS OF SAID CORD.
Claim 3
Dependent Claim
15 words
THE ARTICLE OF CLAIM 1 WHEREIN THERE ARE AT LEAST TWO SHEETS OF PARALLEL CORDS.
Claim 4
Dependent Claim
32 words
THE ARTICLE OF CLAIM 6 WHEREIN ADJACENT SHEETS OF SAID CORDS ARE ADHERED TOGETHER WITH THEIR CORDS BEING INCLINED IN OPPOSED DIRECTIONS SYMMETRICALLY WITH RESPECT TO THE LONGITUDINAL AXIS OF THE REINFORCEMENT.
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |