US2781279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for spray coating of articles
Assignee: Ransburg Corp
•
Filing: 1951-11-26
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Granted: 1957-02-12
•
Expires: 1971-11-26
Abstract
No abstract record available.
Inventors
- 👤 Merton R Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:32
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/08; B05B5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
THE METHOD OF COATING AN ARTICLE BY ELECTROSTATIC DEPOSITION WHICH COMPRISES ATOMIZING MATERIAL INTO QUIESCENT AIR FROMAN ANNULAR MEMBER FORMING A SUBSTANTIALLY CONTINOUS ATOMIZING ZONE EXTENDING SUBSTANTIALLY COMPLETELY AROUND THE ARTICLE WHILE ROTATING THE MEMBER IN THE PLANE OF THE ANNULUS AND WHILE MOVING THE ARTICLE AXIALLY THROUGH THE CENTRAL PORTION OF THE ZONE, AND CREATING AN ELECTROSTATIC CHARGE DIFFERENTIAL BETWEEN THE ATOMIZED PARTICLES AND THE ARTICLE OF SUFFICIENT STRENGTH TO MOVE THE PARTICLES THROUGH SAID QUIESCENT AIR TOWARD AND TO DEPOSIT THEM ON SAID ARTICLE.
Claim 2
Independent Claim
86 words
THE METHOD OF COATING AN ARTICLE BY ELECTROSTATIC DEPOSITION WHICH COMPRISES ATOMIZING MATERIAL INTO QUIESCENT AIR FROMAN ANNULAR MEMBER FORMING A SUBSTANTIALLY CONTINOUS ATOMIZING ZONE EXTENDING SUBSTANTIALLY COMPLETELY AROUND THE ARTICLE WHILE ROTATING THE MEMBER IN THE PLANE OF THE ANNULUS AND WHILE MOVING THE ARTICLE AXIALLY THROUGH THE CENTRAL PORTION OF THE ZONE, AND CREATING AN ELECTROSTATIC CHARGE DIFFERENTIAL BETWEEN THE ATOMIZED PARTICLES AND THE ARTICLE OF SUFFICIENT STRENGTH TO MOVE THE PARTICLES THROUGH SAID QUIESCENT AIR TOWARD AND TO DEPOSIT THEM ON SAID ARTICLE.
References Cited (Backward Citations)
US1832096A
Cited
US1861475A
Cited
US2187306A
Cited
US2288316A
Cited
US2368742A
Cited
US2428991A
Cited
US2685536A
Cited
US2421787A
Cited
US2562358A
Cited
US2508709A
Cited
US2559225A
Cited
US2568611A
Cited
US2597021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-12 | 1960-08-13 | 1961-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-12 | 1964-08-13 | 1965-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-12 | 1968-08-13 | 1969-02-12 | $7700.00 | Window Closed / Lapsed |