US2501737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solution for plating metals with gold
Assignee: Individual
•
Filing: 1946-09-11
•
Granted: 1950-03-28
•
Expires: 1966-09-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph W Porter
- 👤 Clifford M Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:02
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/42; C23C18/48
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
48 words
A SOLUTION FOR PLATING METALS WITH GOLD BY IMMERSION ONLY, COMPRISING BEFORE THE DISSOLUTION THEREOF IN DISTILLED WATER, THE FOLLOWING INGREDIENTS IN SUBSTANTIALLY THE PROPORTIONS BY WEIGHT HEREINAFTER STATED, TO WIT, GOLD CHLORIDE .79%, TRIBASIC SODIUM PHOSPHATE 9.63%, POTASSIUM CYANIDE 9.63%, ACETIC ACID 3.82%, AND DISTILLED WATER 76.13%.
References Cited (Backward Citations)
US744170A
Cited
US1208507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |