US2752280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printer's blanket and method of making same
Assignee: Crown Cork and Seal Co Inc
•
Filing: 1953-02-02
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Granted: 1956-06-26
•
Expires: 1973-02-02
Abstract
No abstract record available.
Inventors
- 👤 Giles B Cookes
- 👤 Mordecai N Timbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:19
CPC Classifications
B; B41; B41N; B41N10/00; B41N10/02; B41N10/04; B41N2210/00; B41N2210/02; B41N2210/04; B41N2210/06; B41N2210/10; B41N2210/14; Y; Y10; Y10S; Y10S428/00; Y10S428/909; Y10T; Y10T428/00; Y10T428/23; Y10T428/239; Y10T428/31504; Y10T428/31678; Y10T428/31707
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A METHOD OF MAKING A PRINTER''S BLANKET WHICH COMPRISES POSITIONING A NATURAL RUBBER LAYER OVER A BASE LAYER, THE BASE LAYER HAVING A LAYER SURFACE AREA TO THEREBY EXTEND LATERALLY BEYOND THE MARGINAL EDGES OF SAID INTERMEDIATE RUBBER LAYER, BONDING SAID INTERMEDIATE RUBBER LAYER TO SAID BASE LAYER, POSITIONING AN OUTER PROTECTIVE LAYER OF A COMPOSITION WHICH INCLUDES AN OLEFIN POLYSULFIDE REACTIVE PRODUCT OVER SAID NATURAL RUBBER LAYER, SAID OUTER LAYER ALSO HAVING A LARGER SURFACE AREA THAN THE INTERMEDIATE LAYER TO THEREBY EXTEND LATERALLY BEYOND THE MARGINAL EDGES OF SAID INTERMEDIATE LAYER, AND THEREAFTER BONDING THE EXTENDED PORTIONS OF SAID BASE LAYER AND OUTER PROTECTIVE LAYER TO THEREBY COMPLETELY ENCASE THE NATURAL RUBBER LAYER AND PROTECT THE LATTER FROM THE DELETERIOUS EFFECTS OF PRINTING INK SOLUTIONS.
Claim 2
Dependent Claim
63 words
A PRINTER''S BLANKET COMPRISING A RESILIENT LAYER AND AN OUTER PROTECTIVE LAYER, SAID OUTER PROTECTIVE LAYER ENCLOSING SAID RESILIENT LAYER ON ONE SURFACE AND HAVING MARGINAL WALLS ENCLOSING THE EDGES OF SAID RESILIENT LAYER, SAID RESILIENT LAYER BEING FORMED OF COMPOUNDED NATURAL RUBBER AND SAID OUTER PROTECTIVE LAYER COMPRISING SYNTHETIC RUBBER, CARBON BLACK, STEARIC ACID, ZINC PEROXIDE AND AN OLEFIN POLYSULFIDE REACTION PRODUCT.
References Cited (Backward Citations)
GB190621711A
Cited
US1810089A
Cited
US2026272A
Cited
GB427337A
Cited
US2048841A
Cited
US2112544A
Cited
US2643206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |