Patent US3782942A successfully refreshed from Google Patents.
US3782942A
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US
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Method for preparing artwork to be used in manufacturing of printed circuits
Assignee: General Electric Information Systems SpA
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Filing: 1968-06-07
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Granted: 1974-01-01
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Expires: 1988-06-07
Abstract
Abstract THIS INVENTION RELATES TO A METHOD FOR PREPARING ARTWORK TO BE USED IN MANUFACTURING OF PRINTED CIRCUITS. THE NOVELTY RESIDES IN THE PROVISION OF OPTICAL A REFERENCE MEANS ON A PLURALITY OF MASKS AND A PHOTOSENSITIVE MEMBER WHICH PERMITS PRECISION ALIGNMENT OF THE MASKS RELATIVE TO A PHOTOSENSITIVE MEMBER.
Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:39
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/0002; H05K2203/00; H05K2203/05; H05K2203/0548; H05K2203/056; H05K3/0008
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |