US3418864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing blanket and method of making the same
Assignee: WR Grace and Co
•
Filing: 1964-01-31
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Granted: 1968-12-31
•
Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 Ross William Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:24
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/083; B29D; B29D29/00; B29D29/06; B41; B41F; B41F15/00; B41F15/14; B41F15/16; B41F15/18; B41N; B41N10/00; B41N10/02; B41N10/04; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0809; B29K2105/10; B29K2105/101; B41N2210/00; B41N2210/04; B41N2210/06; B41N2210/14; Y; Y10; Y10S; Y10S428/00; Y10S428/909; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249922
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A BLANKET ADAPTED FOR USE ON ROLL DRIVE SCREEN PRINTING MACHINERY AND CAPABLE OF MAINTAINING THE DEVIATION OF REPEAT PATTERN REGISTER TO WITHIN $.015 INCH PER BLANKET REVOLUTION WHICH CONSISTS OF A RUBBER-COATED CYLINDER PLY RENDERED DIMENSIONALLY STABLE BY RUNNING-IN AND STRETCHING UNDER A TENSION ABOUT 10 POUNDS PER TRANSVERSE INCH, A HELIX OF RUBBER-COATED CORD WOUND ABOUT THE EXPOSED SURFACE OF SAID CYLINDER PLY AT A CORD TENSION NOT IN EXCESS OF 2 POUNDS AND EXTENDING ACROSS THE SAID SURFACE, AND AT LEAST A SECOND COATED PLY COVERING SAID HELICAL LAYER OF CORDS, THE SAID BLANKET HAVING BEEN CURED UNDER HEAT AND PRESSURE TO PRODUCE A UNITARY BLANKET STRUCTURE PRESENTING A SMOOTH WORKING SURFACE.
References Cited (Backward Citations)
US228186A
Cited
US3122934A
Cited
US1096896A
Cited
US1412309A
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US2386761A
Cited
US2489791A
Cited
US2630603A
Cited
US2547220A
Cited
US2653886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |