US3573090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying a plasma spray coating
Assignee: Avco Corp
•
Filing: 1968-12-09
•
Granted: 1971-03-30
•
Expires: 1988-12-09
Abstract
Abstract THERE IS DESCRIBED HEREIN A METHOD OF OBTAINING A HIGHQUALITY, HIGH-DENSITY PLASMA SPRAY DEPOSITED COATING THROUGH THE USE OF HIGH VELOCITY PLASMA EFFLUENT, PREFERABLY FORMED FROM A MIXTURE OF DIATOMIC AND A MONATOMIC GAS. THE MASS FLOW RATE OF EFFLUENT AND THE CROSS SECTIONAL AREA OF THE EFFLUENT EXIT ORIFICE IS ADJUSTED TO OVERCOME THE DIFFICULTY OF HEATING THE MATERIAL BEING SPRAYED TO A PLASTIC STATE IN THE SHORT TIME THAT THE MATERIAL IS IN RESIDENCE IN THE EFFLUENT.
Inventors
- 👤 John D Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:40
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/42; B; B05; B05B; B05B7/00; B05B7/16; B05B7/22; B05B7/222; B05B7/226; C; C23; C23C; C23C4/00; C23C4/12; C23C4/134
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |