US3846152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective reflecting metal/metal oxide coatings
Assignee: PPG Industries Inc
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Filing: 1972-05-12
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Granted: 1974-11-05
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Expires: 1992-05-12
Abstract
Abstract 1. A TRANSPARENT ARTICLE OF MANUFACTURE FOR THE SELECTIVE REFLECTANCE OF RADIATION OVER AN EXTENDED SPECTRAL RANGE COMPRISING, INCOMBINATION: (A) A GLASS SUBSTRATE; AND (B) AT LEAST TWO COATING LAYERS AFFIXED TO AT LEAST ONE SAID OF GLASS SUBSTRATE: (1) A TRANSPARENT METAL COATING LAYER CONSISTING ESSENTIALLY OF NICKEL SUBSTANTIALLY IN ITS REDUCED METALLIC STATE AFFIXED TO A SURFACE OF SAID GLASS SUBSTRATE; AND (2) A TRANSPARENT METAL OXIDE COATING LAYER HAVING A THICKNESS OF FROM ABOUT 50 TO ABOUT 1500 ANGSTROMS CONSISTING ESSENTIALLY OF COPPER OXIDE AFFIXED TO SAID METAL COATING LAYER.
Inventors
- 👤 H Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:42
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/36; C03C17/3602; C03C17/3605; C03C17/3607; C03C17/3642; C03C17/3649; C03C17/3681; C03C17/3689; C03C17/3697; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A TRANSPARENT ARTICLE OF MANUFACTURE FOR THE SELECTIVE REFLECTANCE OF RADIATION OVER AN EXTENDED SPECTRAL RANGE COMPRISING, INCOMBINATION: (A) A GLASS SUBSTRATE; AND (B) AT LEAST TWO COATING LAYERS AFFIXED TO AT LEAST ONE SAID OF GLASS SUBSTRATE: (1) A TRANSPARENT METAL COATING LAYER CONSISTING ESSENTIALLY OF NICKEL SUBSTANTIALLY IN ITS REDUCED METALLIC STATE AFFIXED TO A SURFACE OF SAID GLASS SUBSTRATE; AND (2) A TRANSPARENT METAL OXIDE COATING LAYER HAVING A THICKNESS OF FROM ABOUT 50 TO ABOUT 1500 ANGSTROMS CONSISTING ESSENTIALLY OF COPPER OXIDE AFFIXED TO SAID METAL COATING LAYER.
Claim 2
Dependent Claim
92 words
A TRANSPARENT ARTICLE OF MANUFACTURE FOR THE SELECTIVE REFLECTANCE OF RADIATION OVER AN EXTENDED SPECTRAL RANGE COMPRISING, INCOMBINATION: (A) A GLASS SUBSTRATE; AND (B) AT LEAST TWO COATING LAYERS AFFIXED TO AT LEAST ONE SAID OF GLASS SUBSTRATE: (1) A TRANSPARENT METAL COATING LAYER CONSISTING ESSENTIALLY OF NICKEL SUBSTANTIALLY IN ITS REDUCED METALLIC STATE AFFIXED TO A SURFACE OF SAID GLASS SUBSTRATE; AND (2) A TRANSPARENT METAL OXIDE COATING LAYER HAVING A THICKNESS OF FROM ABOUT 50 TO ABOUT 1500 ANGSTROMS CONSISTING ESSENTIALLY OF COPPER OXIDE AFFIXED TO SAID METAL COATING LAYER.
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) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |