US3582481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of application of dry lubricant to surface of an article
Assignee: Bunker Ramo Corp
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Filing: 1970-04-03
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Granted: 1971-06-01
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Expires: 1990-04-03
Abstract
Abstract AN ARTICLE, SUCH AS A BEARING, HAVING A DRY LUBRICANT COATING IS MADE BY ELECTROPHORETICALLY DEPOSITING ON A BASE NEGATIVELY CHARGED PARTICLES, SUCH AS FLUOROCARBON POLYMERS, MOLYBDENUM DISULPHIDE, COPPER OXIDE OR RESINS, HAVING LUBRICATING PROPERTIES,SUBSTANTIALLY SIMULTANEOUSLY WITH THE ELECTROLYTIC DEPOSITION OF A METAL SUCH AS COPPER, GOLD, SILVER OR NICKEL. THIS CODEPOSITION IS ACCOMPLISHED BY PERIODICALLY REVERSING THE POLARITY OF THE OBJECT OR BASE TO BE COATED.
Inventors
- 👤 Ralph James Hovey
- 👤 Afsar Ali Kahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:37
CPC Classifications
G; G04; G04B; G04B31/00; G04B31/08; C; C10; C10M; C10M7/00; C25; C25D; C25D15/00; C25D15/02; C10M2201/00; C10M2201/04; C10M2201/05; C10M2201/06; C10M2201/065; C10M2201/066; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/04; C10M2217/06; C10M2227/00; C10M2227/04; C10N; C10N2050/00; C10N2050/08; C10N2050/10; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/1266
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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |