US2662852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of two-sided mosaic screen
Assignee: AT&T Inc
•
Filing: 1948-12-29
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Granted: 1953-12-15
•
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
2026-10-23 15:17
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41; H01J29/413; H01J29/416; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/927; Y10S428/9335; Y10S428/934; Y10S428/935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF FORMING A TWO-SIDED MOSAIC SCREEN OR TARGET COMPRISING THE STEPS OF PLACING A LARGE NUMBER OF TINY HARD PARTICLES ON A METAL LAYER, PRESSING THE PARTICLES INTO AND THROUGH SAID METAL LAYER THEREBY FORMING A LARGE NUMBER OF APERTURES IN THE LAYER, APPLYING A METAL COATING TO SAID LAYER LEAVING A THICKENED APERTURED SCREEN WHICH HAS SHARP METALLIC PROJECTIONS THEREIN, ELECTROLYTICALLY POLISHING THE THICKENED SCREEN TO REDUCE SAID PROJECTIONS, ELECTROPLATING SAID LAYER TO INCREASE THE THICKNESS THEREOF, INSULATING THE INNER SURFACES OF THE APERTURES IN THE METAL LAYER AND FORMING METALLIC BUTTONS IN SAID INSULATED APERTURES.
Claim 2
Independent Claim
99 words
THE METHOD OF FORMING A TWO-SIDED MOSAIC SCREEN OR TARGET COMPRISING THE STEPS OF PLACING A LARGE NUMBER OF TINY HARD PARTICLES ON A METAL LAYER, PRESSING THE PARTICLES INTO AND THROUGH SAID METAL LAYER THEREBY FORMING A LARGE NUMBER OF APERTURES IN THE LAYER, APPLYING A METAL COATING TO SAID LAYER LEAVING A THICKENED APERTURED SCREEN WHICH HAS SHARP METALLIC PROJECTIONS THEREIN, ELECTROLYTICALLY POLISHING THE THICKENED SCREEN TO REDUCE SAID PROJECTIONS, ELECTROPLATING SAID LAYER TO INCREASE THE THICKNESS THEREOF, INSULATING THE INNER SURFACES OF THE APERTURES IN THE METAL LAYER AND FORMING METALLIC BUTTONS IN SAID INSULATED APERTURES.
References Cited (Backward Citations)
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US2596617A
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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) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |