US2809902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for electrostatically coating articles
Assignee: Ransburg Corp
•
Filing: 1951-08-09
•
Granted: 1957-10-15
•
Expires: 1971-08-09
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Ransburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:41
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/025; B05B5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD FOR ELECTROSTATICALLY COATING AN ARTICLE, COMPRISING PROVIDING A SPRAY OF CAOTING MATERIAL IN A PATTERN WHICH IN A PLANE SUBSTANTIALLY NORMAL TO THE GENERAL LINE OF MOVEMENT OF SPRAY PARTICLES, IS AN ANNULAR BAND; PROVIDING A SECOND SPRAY OF COATING MATERIAL IN A DDIFFERENT PATTERN WHICH SUPPLEMENTS THE FIRST PATTERN TO PROVIDE A SUBSTANTIALLY UNIFORM DISTRIBUTION OF COATING MATERIAL PARTICLES IN SAID PLANE; AND ESTABLISHING AN ELEC-
Claim 2
Independent Claim
69 words
A METHOD FOR ELECTROSTATICALLY COATING AN ARTICLE, COMPRISING PROVIDING A SPRAY OF CAOTING MATERIAL IN A PATTERN WHICH IN A PLANE SUBSTANTIALLY NORMAL TO THE GENERAL LINE OF MOVEMENT OF SPRAY PARTICLES, IS AN ANNULAR BAND; PROVIDING A SECOND SPRAY OF COATING MATERIAL IN A DDIFFERENT PATTERN WHICH SUPPLEMENTS THE FIRST PATTERN TO PROVIDE A SUBSTANTIALLY UNIFORM DISTRIBUTION OF COATING MATERIAL PARTICLES IN SAID PLANE; AND ESTABLISHING AN ELEC-
References Cited (Backward Citations)
US1958406A
Cited
US1861475A
Cited
US1911808A
Cited
US2357355A
Cited
US2559225A
Cited
US2568611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |