US3280295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for projecting pulverulent materials by means of a plasma torch
Assignee: Air Liquide SA
•
Filing: 1963-07-01
•
Granted: 1966-10-18
•
Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Mondain-Monval Gerard
- 👤 Audric Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:52
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: 1
Claim 1
Independent Claim
70 words
APPARATUS FOR THE PROJECTION OF PULVERULENT MATERIALS BY MEANS OF A JET OF IONIZED GAS BROUGHT TO A VERY HIGH TEMPERATURE BY A CONSTRICTED ELECTRIC ARC, COMPRISING A NOZZLE, A SUPPLY CONDUIT FOR THE PULVERULENT MATERIAL OPENING INTO THE NOZZLE AND SUBSTANTIALLY ALIGNED WITH THE AXIS THEREOF, AND AN ELECTRODE EXTENDING INTO THE NOZZLE LATERALLY THEREOF WITH THE TIP OF THE ELECTRODE SPACED FROM THE TUBULAR PROJECTION OF THE CONDUIT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |