US3037918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-bright copper
Assignee: Individual
•
Filing: 1960-07-14
•
Granted: 1962-06-05
•
Expires: 1980-07-14
Abstract
No abstract record available.
Inventors
- 👤 Barnet D Ostrow
- 👤 Fred I Nobel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:32
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38; C25D3/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
AN AQUEOUS ALKALINE CYANIDE COPPER PLATING BATH HAVING INCORPORATED THEREIN A COMPOUND HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
16 words
AN AQUEOUS ALKALINE CYANIDE COPPER PLATING BATH HAVING INCORPORATED THEREIN A COMPOUND HAVING THE FOLLOWING FORMULA:
References Cited (Backward Citations)
US2814590A
Cited
US2833705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |