US3736167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroless nickel plating process
Assignee: Coors Porcelain Co
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Filing: 1971-04-01
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Granted: 1973-05-29
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Expires: 1991-04-01
Abstract
Abstract A METHOD FOR NICKEL PLATING CERAMIC PARTS HAVING REFRACTORY-METALIZED AREAS WHEREIN A THIN, POSSIBLY DISCONTINUOUS, COATING OF NICKEL IS PLACED ON THE PART BY BURNISHING OR TUMBLING. THEREAFTER, THE PART IS ELECTROLESSLY PLATED WITH A EUTECTIC NICKEL-PHOSPHOROUS COMPOSITION. THE COATED PARTS ARE HEATED UNTIL THE COMPOSITION MELTS AND RUNS OFF OF ONLY THE CERAMIC, HAVING THE REFRACTORYMETALIZED AREAS UNIFORMLY NICKEL PLATED REGARDLESS OF AREA.
Inventors
- 👤 J Bachmann
- 👤 R Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:05
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/52; C04B41/80; C04B41/81; C04B41/89; C23; C23C; C23C18/00; C23C18/16; C23C18/1601; C23C18/1603; C23C18/1607; C23C18/1608; C23C18/18; C23C18/1851; C23C18/1862; C23C18/1865; C23C18/1872; C23C18/1875; C23C18/1879; H; H10; H10W; H10W70/00; H10W70/01; H10W70/05; H10W70/60; H10W70/67; H10W70/68
Claims Analysis
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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) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |