Patent US2624700A successfully refreshed from Google Patents.
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
Abstract
No abstract record available.
Inventors
- 👤 George L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:58
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 |