Patent US3170342A successfully refreshed from Google Patents.
US3170342A
Expired / Lapsed
US
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Method of making cutting dies
Assignee: ATLAS STEEL RULE DIE Inc
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Filing: 1962-08-13
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Granted: 1965-02-23
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Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 Robert H Downie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:18
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/20; B21D37/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A METHOD FOR MAKING A CUTTING AND SCORING DIE HAVING CO-ACTING MALE AND FEMALE DIE PLATES, WHICH COMPRISES PHOTOMECHANICALLY IMPOSING IN REGISTER ON RESPECTIVE PHOTOSENSITIZED PLATES PLAN IMAGES OF THE CONCOMITANT MALE AND FEMALE SCORING ELEMENT AND CO-ACTING MEMBERS OF PAIRED CUTTING ELEMENTS AND CHEMICALLY REMOVING MATERIAL FROM THE RESPECTIVE PLATES EXCEPT IN THE REGIONS BEARING PHOTOMECHANICALLY IMPOSED IAMGES TO LEAVE MALE AND FEMALE DIE PLATES HAVING SCORING AND CUTTING ELEMENTS AS INTEGRAL PORTIONS THEREOF IN SHALLOW RELIEF ABOVE THE PLATE BACKGROUND AREAS OF SAID PLATES.
Claim 2
Independent Claim
86 words
A METHOD FOR MAKING A CUTTING AND SCORING DIE HAVING CO-ACTING MALE AND FEMALE DIE PLATES, WHICH COMPRISES PHOTOMECHANICALLY IMPOSING IN REGISTER ON RESPECTIVE PHOTOSENSITIZED PLATES PLAN IMAGES OF THE CONCOMITANT MALE AND FEMALE SCORING ELEMENT AND CO-ACTING MEMBERS OF PAIRED CUTTING ELEMENTS AND CHEMICALLY REMOVING MATERIAL FROM THE RESPECTIVE PLATES EXCEPT IN THE REGIONS BEARING PHOTOMECHANICALLY IMPOSED IAMGES TO LEAVE MALE AND FEMALE DIE PLATES HAVING SCORING AND CUTTING ELEMENTS AS INTEGRAL PORTIONS THEREOF IN SHALLOW RELIEF ABOVE THE PLATE BACKGROUND AREAS OF SAID PLATES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |