US3296101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyanide electroplating baths and processes
Assignee: Cowles Chemical Co
•
Filing: 1963-02-25
•
Granted: 1967-01-03
•
Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 James R Crain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:38
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38; C25D3/40; C25D3/56; C25D3/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
AN AQUEOUS ALKALINE CYANIDE METAL PLATING SOLUTION CONTAINING A METAL CYANIDE FROM XXX GROUP CONSISTING OF COPPER CYANIDE AND MIXTURES OF COPPER CYNIDE AND ZINC CYANIDE, AN ALKALI CYANIDE AND AN EFFECTIVE AMOUNT SUFFICIENT TO IMPART BRIGHTNESS OF WATER SOLUBLE SALT FORMED FROM (A) AT LEAST ONE COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
51 words
AN AQUEOUS ALKALINE CYANIDE METAL PLATING SOLUTION CONTAINING A METAL CYANIDE FROM XXX GROUP CONSISTING OF COPPER CYANIDE AND MIXTURES OF COPPER CYNIDE AND ZINC CYANIDE, AN ALKALI CYANIDE AND AN EFFECTIVE AMOUNT SUFFICIENT TO IMPART BRIGHTNESS OF WATER SOLUBLE SALT FORMED FROM (A) AT LEAST ONE COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2609339A
Cited
US2774728A
Cited
US2841542A
Cited
US2862861A
Cited
US2849352A
Cited
US3018232A
Cited
US2970951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |