US2765230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming matrices for the electrodeposition of grids
Assignee: Buckbee Mears Co
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Filing: 1953-02-25
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Granted: 1956-10-02
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Expires: 1973-02-25
Abstract
No abstract record available.
Inventors
- 👤 Meryl W Tinklenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:34
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/14; C; C25; C25D; C25D1/00; C25D1/08; H01J19/00; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0019; H01J2893/0022; Y; Y10; Y10S; Y10S430/00; Y10S430/136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE METHOD OF FORMING A MATRIX PLATE OF THE CLASS DESCRIBED ON A METAL BLANK WHICH COMPRISES, APPLYING A LAYER OF NCIKEL TO A FACE OF SAID BLANK, THEN FORMING ON SAID LAYER A FINE GRAINED, SUBSTANTIALLY FLAT SURFACE, APPLYING TO SAID SURFACE A LIGHT-SENSITIVE COATING OF UNIFORM THICKNESS COMPRISING AN ALKALINE BICHROMATED SHELLAC, DRYING SAID COATING, THEN PHOTO-PRINTING ON SAID COATING THE IMAGE OF THE DESIGN TO BE FORMED THEREON, REMOVING THE UNEXPOSED PORTIONS OF SAID COATING, AND HEAT TREATING THE REMAINING PORTIONS OF SAID COATING AT A TEMPERATURE OF APPROXIMATELY 400 DEGREES F. TO CURE THEM AND FORM A PERMANENT BOND BETWEEN THEM AND THE FACE OF SAID PLATE.
Claim 2
Independent Claim
111 words
THE METHOD OF FORMING A MATRIX PLATE OF THE CLASS DESCRIBED ON A METAL BLANK WHICH COMPRISES, APPLYING A LAYER OF NCIKEL TO A FACE OF SAID BLANK, THEN FORMING ON SAID LAYER A FINE GRAINED, SUBSTANTIALLY FLAT SURFACE, APPLYING TO SAID SURFACE A LIGHT-SENSITIVE COATING OF UNIFORM THICKNESS COMPRISING AN ALKALINE BICHROMATED SHELLAC, DRYING SAID COATING, THEN PHOTO-PRINTING ON SAID COATING THE IMAGE OF THE DESIGN TO BE FORMED THEREON, REMOVING THE UNEXPOSED PORTIONS OF SAID COATING, AND HEAT TREATING THE REMAINING PORTIONS OF SAID COATING AT A TEMPERATURE OF APPROXIMATELY 400 DEGREES F. TO CURE THEM AND FORM A PERMANENT BOND BETWEEN THEM AND THE FACE OF SAID PLATE.
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) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |