Patent US3147706A successfully refreshed from Google Patents.
US3147706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printers' gum
Assignee: Uniroyal Inc
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Filing: 1961-08-18
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Granted: 1964-09-08
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Expires: 1981-08-18
Abstract
No abstract record available.
Inventors
- 👤 Cazemiro M Antonio
- 👤 James J Eagleson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:32
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A METHOD OF PRODUCING A PRINTING PLATE COMPRISING FORMING A SHEET OF VULCANIZABLE RUBBER, DUSTING A SURFACE OF SAID SHEET WITH A FINELY POWDERED THERMOPLASTIC RESIN TO FORM A LAYER HAVING THAT THICHKNESS RESULTING FROM THE NATURAL ADHERENCE OF THE POWDERED RESIN TO THE SURFACE OF SAID SHEET DUE TO THE INHERENT TACKINESS OF SAID VULCANIZABLE RUBBER, LAYING SAID SHEET IN MOLDING POSITION WITH THE DUSTED SURFACE TOWARD A MATRIX, AND MOLDING A PRINTING SURFACE ON SAID SHEET BY SUBJECTING THE ASSEMBLED PARTS TO CURING TEMPERATURE AND PRESSURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |