US2733167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of adhering gold to a non-
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:23
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/06; C03C17/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
THE METHOD OF IMPROVING THE ALKALI RESISTANCE OF A GOLD FILM FIRED ONTO THE SURFACE OF A NON-POROUS CERAMIC ARTICLE, WHICH INCLUDES PROVIDING A LIQUID GOLD CONTAINING DECORATING COMPOSITION CONTAINING AS ESSENTIAL INGREDIENTS AN ORGANO COMPOUND OF GOLD AND A COMPATIBLE COMPOUND OF COOPER IN AMOUNTS SUCH THAT THE RATIO OF THE RESPECTIVE AU AND CU WEIGHT-EQUIVALENTS THEREOF IS FROM ABOUT 8/1 TO ABOUT 30/1, APPLYING A THIN LAYER OF SUCH COMPOSITION TO PREDETERMINED PORTIONS OF A SURFACE OF SUCH ARTICLE, AND FIRING THE COATED ARTICLE TO PRODUCE AN ADHERENT METALLIC FILM.
References Cited (Backward Citations)
US2490399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |