US2707166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of copper from an acid bath
Assignee: Udylite Corp
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Filing: 1952-05-26
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Granted: 1955-04-26
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Expires: 1972-05-26
Abstract
No abstract record available.
Inventors
- 👤 Brown Henry
- 👤 Richard A Fellows
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:42
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A BATH FOR THE ELECTRODEPOSITION OF COPPER, COMPRISING AN AQUEOUS ACIDIC SOLUTION OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF COPPER SULFATE AND COPPER NITRATE, AND MINOR PROPORTIONS OF A COMPOUND HAVING THE STRUCTURE:
Claim 2
Dependent Claim
35 words
A BATH FOR THE ELECTRODEPOSITION OF COPPER, COMPRISING AN AQUEOUS ACIDIC SOLUTION OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF COPPER SULFATE AND COPPER NITRATE, AND MINOR PROPORTIONS OF A COMPOUND HAVING THE STRUCTURE:
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) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |