Patent US2056764A successfully refreshed from Google Patents.
Patent US3018191A successfully refreshed from Google Patents.
US3018191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of gold coating ceramic surfaces and articles produced thereby
Assignee: L Rensche & Co
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Filing: 1959-06-01
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Granted: 1962-01-23
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Expires: 1979-06-01
Abstract
No abstract record available.
Inventors
- 👤 Caban Louis
- 👤 Frank L Reusche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:45
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/06; C03C17/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
IN A PROCESS OF GOLD COATING A CERAMIC ARTICLE, THE STEPS OF PREPARING A LIQUID BRIGHT GOLD COMPOSITION HAVING A RHODIUM COMPOUND WHEREIN THE RATIO OF THE RESPECTIVE RH AND AU PARTS IS FROM 0.45/100 TO 5.68/100 BY WEIGHT APPLYING A THIN LAYER OF SAID COMPOSITION TO A SURFACE OF SAID CERAMIC ARTICLE, FIRING THE COATED SURFACE TO PRODUCE A GOLD DECORATIVE FILM, APPLYING A THIN LAYER OF A GLASS BORON-CONTAINING COATING TO THE FIRED GOLD DECORATIVE FILM, AND AGAIN FIRING THE COATED SURFACE TO PRODUCE A PROTECTIVE GLASS COVER COATING THEREON.
References Cited (Backward Citations)
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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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |