US2772183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical nickel plating processes
Assignee: General American Transportation Corp
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Filing: 1953-09-24
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Granted: 1956-11-27
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Expires: 1973-09-24
Abstract
No abstract record available.
Inventors
- 👤 Talmey Paul
- 👤 Donald E Metheny
- 👤 Warren G Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:58
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/32; C23C18/34; C23C18/36
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
THE PROCESS OF PLATING WITH NICKEL THE SURFACE OF A BODY FORMED ESSENTIALLY OF IRON, WHICH COMPRISES CLEANING AND DEGREASING THE SURFACE OF SAID BODY, SOAKING SAID BODY IN AN AQUEOUS SOLUTION OF HYDROGEN PEROXIDE FOR A TIME INTERVAL SUFFICIENTLY LONG TO FORM ONLY A THIN IRON OXIDE FILM UPON THE SURFACE THEREOF AND WITHOUT THE FORMATION OF ANY VISIBLE RUST UPON THE SURFACE THEREOF, SAID SOLUTION CONTAINING NOT IN EXCESS OF ABOUT 0.1% BY WEIGHT OF HYDROGEN PEROXIDE, AND THEN CONTACTING SAID BODY WITH A NICKEL PLATING BATH OF AN AQUEOUS SOLUTION OF A NICKEL SALT IN ORDER TO EFFECT THE DISPLACEMENT DEPOSIT OF A THIN NICKEL FILM UPON THE SURFACE OF SAID BODY.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |