US3313632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gold-silver coordination compounds and decorating compositions containing same
Assignee: Engelhard Industries Inc
•
Filing: 1962-11-27
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Granted: 1967-04-11
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Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 Robert C Langley
- 👤 Howard M Fitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:37
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/06; C03C17/10; C07; C07C; C07C321/00; C07C323/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A DECORATING COMPOSITION COMPRISING A COORDINATION COMPOUND OF A GOLD MERCAPTIDE WITH AN EQUIMOLAR PROPORTION OF A SILVE COMPOUND SELECTED FROM THE GROUP CONSISTING OF SILVER CARBOXYLATES AND SILVER MERCAPTIDES, AND AN ORGANIC VEHICLE THEREFOR.
Claim 2
Dependent Claim
35 words
A DECORATING COMPOSITION COMPRISING A COORDINATION COMPOUND OF A GOLD MERCAPTIDE WITH AN EQUIMOLAR PROPORTION OF A SILVE COMPOUND SELECTED FROM THE GROUP CONSISTING OF SILVER CARBOXYLATES AND SILVER MERCAPTIDES, AND AN ORGANIC VEHICLE THEREFOR.
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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |