Patent US2682501A successfully refreshed from Google Patents.
US2682501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of two-sided mosaic
Assignee: AT&T Inc
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Filing: 1948-12-29
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Granted: 1954-06-29
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Expires: 1968-12-29
Abstract
No abstract record available.
Inventors
- 👤 Gordon K Teal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:02
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41; H01J29/413; H01J29/416
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
THE METHOD OF FORMING A TWO-SIDED TARGET WHICH COMPRISES THE STEPS OF MOUNTING AN APERTURED METALLIC SCREEN ON A METAL SUPPORT, INSULATING THE EXPOSED SURFACES OF SAID SCREEN, REMOVING SAID METAL SUPPORT THEREBY EXPOSING ONE SIDE OF SAID SCREENE, COATING SAID EXPOSED SIDE WITH NON-METALLIC MATERIAL WHICH IS NON-CONDUCTIVE AND INSOLUBLE IN ELECTROPLATING SOLUTION, COATING A THIN FILM OF METALLIC MATERIAL UPON SAID INSULATED SURFACE OF SAID TARGET, APPLYING A PROTECTIVE COATING OF SAID NON-METALLIC MATERIAL ON TO SAID METALLIC FILM IN SUCH A MANNER THAT THE PORTIONS OF SAID METAL FILM IN THE APERTURES ARE EXPOSED, ELECTROPLATING IN SAID APERTURES UNTIL METAL PLUGS ARE FORMED HAVING HEADS PROTRUDING FROM BOTH SIDES OF THE SCREEN WHICH ARE LARGER THAN THE DIAMETER OF EACH APERTURE AT ITS NARROWEST POINT, AND REMOVING SAID PROTECTIVE COATINGS OF NON-METALLIC MATERIAL AND SAID THIN FILM OF METAL FROM THE SIDES OF SAID SCREEN.
Claim 2
Independent Claim
148 words
THE METHOD OF FORMING A TWO-SIDED TARGET WHICH COMPRISES THE STEPS OF MOUNTING AN APERTURED METALLIC SCREEN ON A METAL SUPPORT, INSULATING THE EXPOSED SURFACES OF SAID SCREEN, REMOVING SAID METAL SUPPORT THEREBY EXPOSING ONE SIDE OF SAID SCREENE, COATING SAID EXPOSED SIDE WITH NON-METALLIC MATERIAL WHICH IS NON-CONDUCTIVE AND INSOLUBLE IN ELECTROPLATING SOLUTION, COATING A THIN FILM OF METALLIC MATERIAL UPON SAID INSULATED SURFACE OF SAID TARGET, APPLYING A PROTECTIVE COATING OF SAID NON-METALLIC MATERIAL ON TO SAID METALLIC FILM IN SUCH A MANNER THAT THE PORTIONS OF SAID METAL FILM IN THE APERTURES ARE EXPOSED, ELECTROPLATING IN SAID APERTURES UNTIL METAL PLUGS ARE FORMED HAVING HEADS PROTRUDING FROM BOTH SIDES OF THE SCREEN WHICH ARE LARGER THAN THE DIAMETER OF EACH APERTURE AT ITS NARROWEST POINT, AND REMOVING SAID PROTECTIVE COATINGS OF NON-METALLIC MATERIAL AND SAID THIN FILM OF METAL FROM THE SIDES OF SAID SCREEN.
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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) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |