Patent DE3726210A1 successfully refreshed from Google Patents.
US2842463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor deposited metal films
Assignee: AT&T Inc
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Filing: 1953-09-04
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Granted: 1958-07-08
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Expires: 1973-09-04
Abstract
No abstract record available.
Inventors
- 👤 Walter L Bond
- 👤 Edward M Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:47
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/58; C23C14/5806; C23C14/06; C23C14/14; C23C14/18; H; H01; H01B; H01B1/00; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/925; Y10S428/9335; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12597; Y10T428/12736; Y10T428/12743; Y10T428/12771; Y10T428/12806; Y10T428/12861; Y10T428/12889; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN COMBINATION WITH A HARD, SMOOTH, TRANSPARENT, NON-METALLIC SUBSTRATE, AN ADHERENT VAPOR-DEPOSITED METALLIC COATING LESS THAN ABOUT 100 ANSTROMS THICK CONSISTING OF SUBSTANTIALLY 20 PERCENT BY VOLUME OF ALUMINUM, 30 PERCENT BY VOLUME OF TITANIUM, AND 50 PERCENT BY VOLUME OF GOLD, WHEREIN THE ALUMINUM FORMS A BASE LAYER IN CONTACT WITH SAID SUBSTRATE, SAID GOLD FORMS THE OUTERMOST LAYER, AND SAID TITANIUM IS INTERPOSED BETWEEN SAID BASE LAYER AND SAID OUTERMOST LAYER.
Claim 2
Dependent Claim
73 words
IN COMBINATION WITH A HARD, SMOOTH, TRANSPARENT, NON-METALLIC SUBSTRATE, AN ADHERENT VAPOR-DEPOSITED METALLIC COATING LESS THAN ABOUT 100 ANSTROMS THICK CONSISTING OF SUBSTANTIALLY 20 PERCENT BY VOLUME OF ALUMINUM, 30 PERCENT BY VOLUME OF TITANIUM, AND 50 PERCENT BY VOLUME OF GOLD, WHEREIN THE ALUMINUM FORMS A BASE LAYER IN CONTACT WITH SAID SUBSTRATE, SAID GOLD FORMS THE OUTERMOST LAYER, AND SAID TITANIUM IS INTERPOSED BETWEEN SAID BASE LAYER AND SAID OUTERMOST LAYER.
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) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |