US2871173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making ductile copper platings
Assignee: Seymour Manufacturing Co
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Filing: 1958-02-04
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Granted: 1959-01-27
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Expires: 1978-02-04
Abstract
No abstract record available.
Inventors
- 👤 Eugene N Castellano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:07
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
AN ELECTROLYTIC BATH COMPRISING AN AQUEOUS ACID SOLUTION OF A COPPER SALT AND FROM ONE-TEETH TO 100 GRAMS PER LITER OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF COMPOUNDS HAVING THE FORMULA
Claim 2
Dependent Claim
33 words
AN ELECTROLYTIC BATH COMPRISING AN AQUEOUS ACID SOLUTION OF A COPPER SALT AND FROM ONE-TEETH TO 100 GRAMS PER LITER OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF COMPOUNDS HAVING THE FORMULA
References Cited (Backward Citations)
US1723277A
Cited
US2489538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |