US3281264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of gold-plating aluminum
Assignee: Coast Metals Inc
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Filing: 1963-01-31
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Granted: 1966-10-25
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Expires: 1983-01-31
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Cape
- 👤 Jack E Vestal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:59
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE METHOD OF PLATING ALUMINUM WITH GOLD, WHICH COMPRISES APPLYING A SOLUTION OF A GOLD SALT TO THE SURFACE OF ALUMINUM TO FORM A COATING, AND THEN SUBJECTING ONLY THE COATING TO A TEMPERATURE OF FROM ABOUT 1600*F. TO ABOUT 1800*F. BY RADIANT HEAT APPLIED DIRECTLY TO THE EXPOSED SURFACE OF THE COATING, WHEREBY THE COATING IS REDUCED, AND A FILM OF GOLD OF HIGH REFLECTIVITY IS LEFT ON THE ALUMINUM.
Claim 2
Independent Claim
71 words
THE METHOD OF PLATING ALUMINUM WITH GOLD, WHICH COMPRISES APPLYING A SOLUTION OF A GOLD SALT TO THE SURFACE OF ALUMINUM TO FORM A COATING, AND THEN SUBJECTING ONLY THE COATING TO A TEMPERATURE OF FROM ABOUT 1600*F. TO ABOUT 1800*F. BY RADIANT HEAT APPLIED DIRECTLY TO THE EXPOSED SURFACE OF THE COATING, WHEREBY THE COATING IS REDUCED, AND A FILM OF GOLD OF HIGH REFLECTIVITY IS LEFT ON THE ALUMINUM.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |