Patent US2611051A successfully refreshed from Google Patents.
US2496845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bath for brass immersion coating on aluminum and aluminum alloy
Assignee: Old Carco LLC
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Filing: 1946-06-10
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Granted: 1950-02-07
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Expires: 1966-06-10
Abstract
No abstract record available.
Inventors
- 👤 Alvin R Balden
- 👤 Leland M Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:30
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A BATH FOR DEPOSITING A BRASS COATING BY CHEMICAL DISPLACEMENT COMPRISING FROM APPROXIMATELY 8 OZ. TO 45 OZ. PER GALLON SODIUM ZINCATE, FROM APPROXIMATELY 25 OZ. TO 125 OZ. PER GALLON OF SODIUM HYDROXIDE, FROM APPROXIMATELY .1 OZ. TO 6 OZ. PER GALLON OF COPPER CYANIDE, FROM APPROXIMATELY .1 OZ. TO 12 OZ. PER GALLON OF SODIUM CYANIDE, FROM APPROXIMATELY .003 OZ. TO .1 OZ. PER GALLON OF BASIC LEAD CARBONATE, AND THE REMAINDER WATER.
Claim 2
Dependent Claim
75 words
A BATH FOR DEPOSITING A BRASS COATING BY CHEMICAL DISPLACEMENT COMPRISING FROM APPROXIMATELY 8 OZ. TO 45 OZ. PER GALLON SODIUM ZINCATE, FROM APPROXIMATELY 25 OZ. TO 125 OZ. PER GALLON OF SODIUM HYDROXIDE, FROM APPROXIMATELY .1 OZ. TO 6 OZ. PER GALLON OF COPPER CYANIDE, FROM APPROXIMATELY .1 OZ. TO 12 OZ. PER GALLON OF SODIUM CYANIDE, FROM APPROXIMATELY .003 OZ. TO .1 OZ. PER GALLON OF BASIC LEAD CARBONATE, AND THE REMAINDER WATER.
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) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |