US3193423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Etching printing plates
Assignee: Individual
•
Filing: 1962-09-25
•
Granted: 1965-07-06
•
Expires: 1982-09-25
Abstract
No abstract record available.
Inventors
- 👤 Goffredo Daniel Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:15
CPC Classifications
C; C23; C23F; C23F1/00; C23F1/10; C23F1/14; C23F1/42; C23F1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE METHOD OF MAKING ETCHED PLATES COMPRISING AN ETCH RESISTANT IMAGE ON A METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, MAGNESIUM BASE ALLOYS, ZINC AND ZINC BASE ALLOYS AND THEREBY IMPINGING AN ETCHING SOLUTION AGAINST THE PRINTING PLATE WITH CONTROLLED VELOCITY AT A PREDETERMINED ANGLE WHEREIN THE ETCHING SOLUTION AND ADHERES TO THE EDGES OF THE ETCHED SURFACES AND PROTECTS THEM FROM UNDERCUTTING WHILE ETCHING DOWN INTO THE METAL.
Claim 2
Independent Claim
70 words
THE METHOD OF MAKING ETCHED PLATES COMPRISING AN ETCH RESISTANT IMAGE ON A METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, MAGNESIUM BASE ALLOYS, ZINC AND ZINC BASE ALLOYS AND THEREBY IMPINGING AN ETCHING SOLUTION AGAINST THE PRINTING PLATE WITH CONTROLLED VELOCITY AT A PREDETERMINED ANGLE WHEREIN THE ETCHING SOLUTION AND ADHERES TO THE EDGES OF THE ETCHED SURFACES AND PROTECTS THEM FROM UNDERCUTTING WHILE ETCHING DOWN INTO THE METAL.
References Cited (Backward Citations)
US2678876A
Cited
US2647864A
Cited
US2684892A
Cited
US2979387A
Cited
GB867573A
Cited
US3051603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |