Patent US3198674A successfully refreshed from Google Patents.
US3198674A
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Infrared absorbent aluminum phosphate coatings and method of manufacture
Assignee: FIBER PRODUCTS RES CT Inc
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Filing: 1962-01-25
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Granted: 1965-08-03
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Expires: 1982-01-25
Abstract
No abstract record available.
Inventors
- 👤 Glen P Huppke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:04
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/73; C23C22/74; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
AN ALUMINUM OR ALUMINUM ALLOY ARTICLE HAVING AN SURFACE PROVIDED WITH A CLOSELY ADHERENT, EXTREMELY THIN COATING CONSISTING PRIMARILY OF GLASSY ALUMINUM PHOSPHATE HAVING UNIFORMLY SUSPENDED THEREIN CARBON BLACK OF A PARTICLE SIZE NOT SUBSTANTIALLY EXCEEDING 20 MILLIMICRONS, SAID COATING BEING FORMED INTEGRALLY WITH SAID ARTICLE BY THE REACTION UNDER HEAT OF ALUMINUM ACID PHOSPHATE, AND SAID COATING CONTAINING 1 PART BY WEIGHT OF ANHYDROUS CARBON BLACK TO FROM ABOUT 2.8 TO ABOUT 5.6 PARTS BY WEIGHT OF ANHYDROUS ALUMINUM AND PHOSPHORIC OXIDES, WHEREBY THE COATING IS RENDERED HIGHLY INFRARED ABSORBENT.
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |