US2750335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromium electrodeposition
Assignee: Udylite Research Corp
•
Filing: 1953-07-17
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Granted: 1956-06-12
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Expires: 1973-07-17
Abstract
No abstract record available.
Inventors
- 👤 Brown Henry
- 👤 Donald R Millage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:43
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/04; C25D3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A BATH FOR THE ELECTRODEPOSITION OF CHROMIUM COMPRISING AN AQUEOUS ACIDIC HEXAVALENT CHROMIUM SOLUTION CONTAINING A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
20 words
A BATH FOR THE ELECTRODEPOSITION OF CHROMIUM COMPRISING AN AQUEOUS ACIDIC HEXAVALENT CHROMIUM SOLUTION CONTAINING A COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
US2519983A
Cited
US2655471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |