Patent US4920006A successfully refreshed from Google Patents.
US4920006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colored metal alloy/oxynitride coatings
Assignee: PPG Industries Ohio Inc
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Filing: 1987-03-26
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Granted: 1990-04-24
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Expires: 2007-03-26
Abstract
Abstract A multiple-layer architectural coating comprising titanium oxynitride and a metal film is disclosed, as well as a method for its production.
Inventors
- 👤 Frank H. Gillery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:15
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/0015; C23C14/06; C23C14/0676
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
63 words
An article of manufacture comprising: a. a transparent substrate; b. a titanium oxynitride film deposited on one surface of said substrate of sufficient thickness to produce a colored reflectance from the uncoated surface of said substrate; and c. deposited on said titanium oxynitride film and as the exposed layer of a multilayer coating a metal film which controls the transmittance of said article.
Claim 2
Dependent Claim
63 words
An article of manufacture comprising: a. a transparent substrate; b. a titanium oxynitride film deposited on one surface of said substrate of sufficient thickness to produce a colored reflectance from the uncoated surface of said substrate; and c. deposited on said titanium oxynitride film and as the exposed layer of a multilayer coating a metal film which controls the transmittance of said article.
Claim 3
Dependent Claim
11 words
An article according to claim 1, wherein said substrate is glass.
Claim 4
Dependent Claim
15 words
An article according to claim 1, wherein said titanium oxynitride film is a sputtered film.
Claim 5
Dependent Claim
22 words
An article according to claim 1, wherein said metal is selected from the group consisting of nickel alloys, iron alloys and titanium.
Claim 6
Dependent Claim
13 words
An article according to claim 4, wherein said metal is a nickel alloy.
Claim 7
Dependent Claim
12 words
An article according to claim 4, wherein said metal is stainless steel.
Claim 8
Dependent Claim
11 words
An article according to claim 4, wherein said metal is titanium.
Claim 9
Dependent Claim
12 words
An article according to claim 4, further comprising a second metal film.
Claim 10
Dependent Claim
20 words
An article according to claim 8, wherein said titanium oxynitride film is deposited between said first and second metal films.
Claim 11
Dependent Claim
25 words
An article according to claim 9, wherein said metal films are selected from the group consisting of nickel alloy, stainless steel, titanium and mixtures thereof.
References Cited (Backward Citations)
US3990784A
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US4022947A
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US4450201A
Cited
US4535000A
Cited
US4534841A
Cited
US4546050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-04-23 | 1993-10-23 | 1994-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-23 | 1997-10-23 | 1998-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-23 | 2001-10-23 | 2002-04-24 | $7700.00 | Window Closed / Lapsed |