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US3284202A Expired / Lapsed US ⏱️ 0.0 years remaining

Lithographic plate, its preparation and treatment solution therefor

Assignee: Litho Chemical and Supply Co Inc
•
Filing: 1961-08-11
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Granted: 1966-11-08
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Expires: 1981-08-11
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Abstract

No abstract record available.

Inventors

  • 👤 Robert F Leonard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 00:01
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/03; B41N3/038; G; G03; G03F; G03F7/00; G03F7/004; G03F7/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 35 words
A LITHOGRAPHIC PLATE COMPOSED OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ZINC TGE SURFACE OF WHICH HAS BEEN TREATED WITH A SOLUTION OF THE FOLLOWING COMPONENTS IN THE FOLLOWING RELATIVE PROPORTIONS:
Claim 2
Dependent Claim 35 words
A LITHOGRAPHIC PLATE COMPOSED OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ZINC TGE SURFACE OF WHICH HAS BEEN TREATED WITH A SOLUTION OF THE FOLLOWING COMPONENTS IN THE FOLLOWING RELATIVE PROPORTIONS:

References Cited (Backward Citations)

US2168181A Cited
US2265829A Cited
US2379646A Cited
US2374070A Cited
US2399208A Cited
US2582347A Cited
US2764085A Cited
US2942974A Cited
US3033214A Cited
US3016297A Cited
US2922715A Cited
US2950195A Cited
US2946683A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-07 1970-05-09 1970-11-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-07 1974-05-09 1974-11-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-07 1978-05-09 1978-11-08 $7700.00 Window Closed / Lapsed

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