US3209686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam plastic printing block and method of etching same
Assignee: Star Band Co Inc
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Filing: 1964-04-08
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Granted: 1965-10-05
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Expires: 1984-04-08
Abstract
No abstract record available.
Inventors
- 👤 Pauline M Arthurs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:08
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/12; B41C; B41C1/00; B41C1/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A METHOD OF MAKING A PRINTING MEMBER FOR USE IN BLOCK PRINTING COMPRISING: ETCHING PREDETERMINED AREAS IN THE ROUGHENED SURFACE OF A RIGID OPEN-PORE PLASTIC FOAM MATERIAL, SELECTED FROM THE GROUP CONSISTING OF FOAMED POLYSTYRENE, FOAMED CELLULOSE ACETATE AND FOAMED VINYL CHLORIDE POLYMER, EMPLOYING A NON-TOXIC HIGHLY VOLATILE ORGANIC SOLVENT; SAID SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF LOWER ALIPHATIC KETONES, LOWER ALOCHOLS, LOWER ALIPHATIC ESTERS AND MIXTURES OF THE FOREGOING WITH NONHARMFUL QUANTITIES OF CHLORINATED HYDROCARBONS AND AROMATIC HYDROCARBONS; SAID ETCHING BEING CARRIED OUT BY CONTACTING SAID PREDETERMINED AREAS WITH AN APPLICATOR WHICH REGULATES THE DEPTH OF ETCHING AND THEREBY FACILITATES FINE SHADING EFFECTS IN PRINTING WITH SAID ETCHED BLOCK.
Claim 2
Independent Claim
112 words
A METHOD OF MAKING A PRINTING MEMBER FOR USE IN BLOCK PRINTING COMPRISING: ETCHING PREDETERMINED AREAS IN THE ROUGHENED SURFACE OF A RIGID OPEN-PORE PLASTIC FOAM MATERIAL, SELECTED FROM THE GROUP CONSISTING OF FOAMED POLYSTYRENE, FOAMED CELLULOSE ACETATE AND FOAMED VINYL CHLORIDE POLYMER, EMPLOYING A NON-TOXIC HIGHLY VOLATILE ORGANIC SOLVENT; SAID SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF LOWER ALIPHATIC KETONES, LOWER ALOCHOLS, LOWER ALIPHATIC ESTERS AND MIXTURES OF THE FOREGOING WITH NONHARMFUL QUANTITIES OF CHLORINATED HYDROCARBONS AND AROMATIC HYDROCARBONS; SAID ETCHING BEING CARRIED OUT BY CONTACTING SAID PREDETERMINED AREAS WITH AN APPLICATOR WHICH REGULATES THE DEPTH OF ETCHING AND THEREBY FACILITATES FINE SHADING EFFECTS IN PRINTING WITH SAID ETCHED BLOCK.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |