Patent US2850464A successfully refreshed from Google Patents.
Patent US3317138A successfully refreshed from Google Patents.
US3317138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic spraying apparatus
Assignee: Machines Electrostatiques SA
•
Filing: 1964-02-24
•
Granted: 1967-05-02
•
Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Fraser Reginald Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:00
CPC Classifications
C; C21; C21D; C21D8/00; B; B05; B05B; B05B5/00; B05B5/025; B05B5/03; B05B7/00; B05B7/02; B05B7/10; B05B7/06; B05B7/062; B05B7/066; B05B7/067
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
IN A PORTABLE ELECTROSTATIC SPRAY GUN, IN COMBINATION, NOZZLE MEANS DEFINING A PLURALITY OF DISCHARGE ORIFICES, CONDUIT MEANS FOR DIRECTING PARTICLES OF SPRAYING MATERIAL AND PRESSURIZED FLUID TO SAID NOZZLE MEANS AND RESPECTIVELY THROUGH SAID ORIFICES, THE SPRAYING MATERIAL BEING DISCHARGED INTO A STREAM OF SAID FLUID, ADJUSTMENT MEANS COOPERATING WITH SAID CONDUIT MEANS FOR MODIFYING THE SAME TO VARY THE FLOW OF SAID FLUID THROUGH THE CORRESPONDING ORIFICE TO PRODUCE BOTH A VORTICAL SPRAY PATTERN AND A SPRAY PATTERN IN WHICH THE INDIVIDUAL PARTICLES OF SPRAYING MATERIAL ARE DISCHARGED ALONG SUBSTANTIALLY LINEAR PATHS, A VOLTAGE SOURCE, MEANS FOR SUPPLYING VOLTAGE FROM SAID SOURCE TO SAID NOZZLE MEANS, TO ELECTRO-
References Cited (Backward Citations)
US1401880A
Cited
US1531986A
Cited
US1736768A
Cited
US2530206A
Cited
US2373595A
Cited
US2574879A
Cited
US2643916A
Cited
US2754225A
Cited
US2904262A
Cited
US2894691A
Cited
US3059613A
Cited
US3056557A
Cited
US3000574A
Cited
US3219276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |