US3568286A
Expired / Lapsed
US
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Compressible roll
Assignee: WR Grace and Co
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Filing: 1968-04-17
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Granted: 1971-03-09
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Expires: 1988-04-17
Abstract
Abstract A NOVEL PRODUCT ESPECIALLY SUITABLE AS A PRINTING ROLL IS DISCLOSES HAVING ELASTOMER-COATED FILAMENTS (E.G. SYNTHETIC RUBBER COATED GLASS FILAMENTS) WOUND ON A CORE AT AN ANGLE TO THE CORE AND JOINED AT THE CROSS-OVER POINTS BY THE ELASTOMER. THE FILAMENTS ARE WOUND IN SUCH A MANNER THAT VOID SPACES ARE DEFINED BY THE FILAMENTS.
Inventors
- 👤 William Campbell Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:15
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0032; B29D99/0035; B41; B41N; B41N10/00; B41N10/02; B41N10/04; B60; B60B; B60B5/00; B60B5/02; B29L; B29L2031/00; B29L2031/32; B29L2031/324; B41N2210/00; B41N2210/06; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10279; Y10T152/10378; Y10T152/10387; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24273; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249984
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |