US2801960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gold plating process
Assignee: Individual
•
Filing: 1956-09-06
•
Granted: 1957-08-06
•
Expires: 1976-09-06
Abstract
No abstract record available.
Inventors
- 👤 Seegmiller Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:32
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PLATING SOLUTION FOR GOLD PLATING CONSISTING ESSENTIALLY OF ABOUT 15 TO ABOUT 50 GRAMS OF GOLD CYANIDE, OF ABOUT 70 TO ABOUT 125 GRAMS POTASSIUM CYANIDE, AND OF ABOUT 0.1 TO ABOUT 10 CC. OF SULFONATED CASTOR OIL PER LITER OF AQUEOUS SOLUTION.
Claim 2
Dependent Claim
44 words
A PLATING SOLUTION FOR GOLD PLATING CONSISTING ESSENTIALLY OF ABOUT 15 TO ABOUT 50 GRAMS OF GOLD CYANIDE, OF ABOUT 70 TO ABOUT 125 GRAMS POTASSIUM CYANIDE, AND OF ABOUT 0.1 TO ABOUT 10 CC. OF SULFONATED CASTOR OIL PER LITER OF AQUEOUS SOLUTION.
References Cited (Backward Citations)
US1826159A
Cited
US2113517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |