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US2624700A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation of printing surfaces for photographing

Assignee: Individual
•
Filing: 1948-04-10
•
Granted: 1953-01-06
•
Expires: 1968-04-10
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Abstract

No abstract record available.

Inventors

  • 👤 George L Morrison

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 21:22
CPC Classifications
G; G03; G03F; G03F1/00; G03F1/92; Y; Y10; Y10S; Y10S430/00; Y10S430/152

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 131 words
THE METHOD OF PREPARING FOR PHOTOGRAPHING A PRINTING FORM CONTAINING PRINTING SURFACES OF TYPE METAL AND PRINTING SURFACES OF AT LEAST ONE METAL OTHER THAN TYPE METAL, WHICH COMPRISES THE STEPS OF ELECTROPLATING ONTO THE PRINTING SURFACES WHICH ARE OF A METAL OTHER THAN TYPE METAL, A VERY THIN COATING OF A METAL WHICH WHEN CLEAN AND POLISHED HAS LIGHT REFLECTING PROPERTIES APPROXIMATELY EQUAL TO CLEAN, POLISHED TYPE METAL, APPLYING A LIGHT-ABSORBING COATING TO THE ENTIRE SURFACE OF THE PRINTING FORM, REMOVING SAID COATING FROM THE RELIEF SURFACES, WHILE LEAVING THE COATING INTACT ON THE OTHER SURFACES OF THE FORM, AND ABRADING SAID RELIEF PRINTING SURFACES TO PRODUCE THEREON A CLEAN, DIFFUSIVELY REFLECTING FINISH OF SUFFICIENT FINENESS THAT THE INDIVIDUAL LINES IN THE SURFACE ARE NOT VISIBLE TO THE NAKED EYE.
Claim 2
Independent Claim 131 words
THE METHOD OF PREPARING FOR PHOTOGRAPHING A PRINTING FORM CONTAINING PRINTING SURFACES OF TYPE METAL AND PRINTING SURFACES OF AT LEAST ONE METAL OTHER THAN TYPE METAL, WHICH COMPRISES THE STEPS OF ELECTROPLATING ONTO THE PRINTING SURFACES WHICH ARE OF A METAL OTHER THAN TYPE METAL, A VERY THIN COATING OF A METAL WHICH WHEN CLEAN AND POLISHED HAS LIGHT REFLECTING PROPERTIES APPROXIMATELY EQUAL TO CLEAN, POLISHED TYPE METAL, APPLYING A LIGHT-ABSORBING COATING TO THE ENTIRE SURFACE OF THE PRINTING FORM, REMOVING SAID COATING FROM THE RELIEF SURFACES, WHILE LEAVING THE COATING INTACT ON THE OTHER SURFACES OF THE FORM, AND ABRADING SAID RELIEF PRINTING SURFACES TO PRODUCE THEREON A CLEAN, DIFFUSIVELY REFLECTING FINISH OF SUFFICIENT FINENESS THAT THE INDIVIDUAL LINES IN THE SURFACE ARE NOT VISIBLE TO THE NAKED EYE.

References Cited (Backward Citations)

US1098610A Cited
US1382613A Cited
US1669821A Cited
US1434798A Cited
US1922031A Cited
US2126017A Cited
GB401511A Cited
US2009262A Cited
US2083249A Cited
US2426962A Cited
US2354756A Cited
US2456608A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-01-06 1956-07-07 1957-01-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-01-06 1960-07-07 1961-01-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-01-06 1964-07-07 1965-01-06 $7700.00 Window Closed / Lapsed

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