US2728689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray coating of articles
Assignee: Ransburg Corp
•
Filing: 1951-11-23
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Granted: 1955-12-27
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Expires: 1971-11-23
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Ransburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:38
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
THE METHOD OF COATING AN ARTICLE WHICH COMPRISES PROVIDING A MEMBER TERMINATING IN AN ELONGATED EDGE, EJECTING A JET STREAM OF COATING MATERIAL FROM A SOURCE, PROVIDING A SURFACE VERTICALLY SPACED ABOVE AND SUBSTANTIALLY CO-EXTENSIVE WITH THE EDGE, OSCILLATING THE SOURCE TO CAUSE THE JET STREAM TO TRAVERSE SAID SURFACE FOR GRAVITY FLOW THEREFROM TO SAID EDGE, ATOMIZING COATING MATERIAL FROM SAID EDGE, ELECTROSTATICALLY CHARGING THE ATOMIZED PARTICLES AND ELECTROSTATICALLY DISPERSING SAID PARTICLES AND DEPOSITING THEM ON THE ARTICLE, THE SPACING BETWEEN SAID EDGE AND AN ARTICLE BEING SUFFICIENT TO PERMIT SUBSTANTIAL DISPERSION OF THE PARTICLES AS THEY MOVE TOWARD THE ARTICLE UNDER THE INFLUENCE OF SAID ELECTROSTATIC CHARGE.
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) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |