US3666533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deposition of polymeric coatings utilizing electrical excitation
Assignee: Boeing North American Inc
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Filing: 1970-11-16
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Granted: 1972-05-30
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Expires: 1990-11-16
Abstract
Abstract AN ELECTRIC DEPOSITION PROCESS PROVIDING A GLOW DISCHARGE BY VIRTUE OF ELECTRICAL ENERGY FILEDS PROVIDED INTERNAL TO A DISPOSITION CHAMBER ENABLES WITH ON STEP TO PROVIDE A PROTECTIVE COATING OF A SURFACE OF A SUBSTRATE MATERIAL BY POLYMERIZING A DIMMER SOLID STARTING MATERIAL. A CARRIER GAS SUCH AS ARGON, XENON OR KRYPTON IS USED IN THE DEPOSITION CHAMBER FOR THE ENERGY FIELD TO ACT UPON IT, PROVIDE THE GLOW AND CAUSE THE GLOWING GAS TO VOLATILIZE PARTICLES OF THE STARTING MATERIAL AND BE DEPOSITED AS THE PROTECTIVE COATING ON THE SUBSTRATE.
Inventors
- 👤 Stuart M Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:31
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/62; C; C23; C23C; C23C14/00; C23C14/06; C23C14/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |