US2582233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating copper
Assignee: Poor and Co
•
Filing: 1947-04-19
•
Granted: 1952-01-15
•
Expires: 1967-04-19
Abstract
No abstract record available.
Inventors
- 👤 Allan E Chester
- 👤 Frederick F Reisinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:01
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38; C25D3/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A PLATING BATH COMPRISING AN ALKALINE COPPER CYANIDE BATH CONTAINING IN SOLUTION A SULFIDED POLYAMINE RESULTING FROM THE CONDENSATION BETWEEN ONE ATOM OF SULFUR AND TWO MOLS OF AN AMINO COMPOUND.
Claim 2
Dependent Claim
31 words
A PLATING BATH COMPRISING AN ALKALINE COPPER CYANIDE BATH CONTAINING IN SOLUTION A SULFIDED POLYAMINE RESULTING FROM THE CONDENSATION BETWEEN ONE ATOM OF SULFUR AND TWO MOLS OF AN AMINO COMPOUND.
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) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |