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US3700541A
Expired / Lapsed
US
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Printers' blankets
Assignee: Dunlop Holdings Ltd
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Filing: 1971-04-05
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Granted: 1972-10-24
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Expires: 1991-04-05
Abstract
Abstract A PRINTERS'' BLANKET COMPRISES A PRINTING SURFACE, AT LEAST ONE STRENGTHENING LAYER AND, BETWEEN THE SURFACE AND THE LAYER, A COMPRESSIBLE LAYER OF A CELLULAR RESILIENT POLYMER THE CELLS OF WHICH HAVE BEEN PRODUCED BY INCORPORATION OF HOLLOW MICROSPHERES IN THE POLYMER.
Inventors
- 👤 Ronald Horace Shrimpton
- 👤 Keith William Dunkley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:11
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/12; B41; B41N; B41N10/00; B41N10/02; B41N10/04; B32B5/00; B32B5/18; B32B2305/00; B32B2305/10; B32B2305/18; B32B2307/00; B32B2307/50; B32B2307/51; B41N2210/00; B41N2210/04; B41N2210/14; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249971; Y10T428/249972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |