US2833702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the manufacture of a metal relief printing plate
Assignee: N V Quod Bonum
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Filing: 1955-03-21
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Granted: 1958-05-06
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Expires: 1975-03-21
Abstract
No abstract record available.
Inventors
- 👤 Elfers Albertus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:40
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/02; C25F; C25F3/00; C25F3/02; C25F3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A METHOD INCLUDING THE USE OF A CURRENT-SUPPLYING ANODE FOR THE MANUFACTURE OF A METAL RELIEF PRINTING PLATE COMPRISING COATING A METAL PLATE WITH A PHOTOMECHANICAL LAYER, NEXT EXPOSING SAID LAYER TO AN IMAGE TO BE REPRODUCED AND DEVELOPING SAID LAYER, ELECTRODEPOSITING A METAL ON THE BARED AREAS OF THE PLATE IN A GALVANIC BATH IN WHICH THE PLATE FUNCTIONS AS THE CATHODE WHILE THE ANODE IS AT A DISTANCE OF LESS THAN 3 MILLIMETERS FROM THE CATHODE, ETCHING THE PLATE WITH AN ETCHING AGENT CAPABLE OF DISSOLVING THE ELECTRO-DEPOSITED METAL AND THE BASE METAL AND THEN REMOVING THE REMAINING PORTIONS OF THE PHOTO-MECHANICAL LAYER.
Claim 2
Independent Claim
105 words
A METHOD INCLUDING THE USE OF A CURRENT-SUPPLYING ANODE FOR THE MANUFACTURE OF A METAL RELIEF PRINTING PLATE COMPRISING COATING A METAL PLATE WITH A PHOTOMECHANICAL LAYER, NEXT EXPOSING SAID LAYER TO AN IMAGE TO BE REPRODUCED AND DEVELOPING SAID LAYER, ELECTRODEPOSITING A METAL ON THE BARED AREAS OF THE PLATE IN A GALVANIC BATH IN WHICH THE PLATE FUNCTIONS AS THE CATHODE WHILE THE ANODE IS AT A DISTANCE OF LESS THAN 3 MILLIMETERS FROM THE CATHODE, ETCHING THE PLATE WITH AN ETCHING AGENT CAPABLE OF DISSOLVING THE ELECTRO-DEPOSITED METAL AND THE BASE METAL AND THEN REMOVING THE REMAINING PORTIONS OF THE PHOTO-MECHANICAL LAYER.
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) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |