US2632716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating articles
Assignee: Ransburg Corp
•
Filing: 1945-09-29
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Granted: 1953-03-24
•
Expires: 1965-09-29
Abstract
No abstract record available.
Inventors
- 👤 William A Starkey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:13
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/08; B05B5/087; B05B5/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A METHOD OF ELECTROSTATICALLY COASTING A SHEET OF CONDUCTING MATERIAL, THE STEPS OF MOVING THE SHEET EDGEWISE OF ITSELF OVER A PREDETERMINED PATH PAST AND IN SPACED RELATION TO A DISCHARGE ELECTODE, MAINTAINING BETWEEN THE SHEET AND THE DISCHARGE ELECTRODE A HIGH DIFFERENCE OF ELECTRICAL POTENTIAL TO CREATE AN ELECTROSTATIC FIELD OVER THE SURFACE OF THE SHEET, SUPPLYING FINELY DIVIDED COATING MATERIAL TO SUCH FIELD FOR ELECTROSTIC PRECIPITATION ON THE SHEET, AND MOVING OVER SUCH PATH IN ADVANCE OF THE SHEET A DEFLECTING ELECTRODE OF CONDUCTING MATERIAL MAINTAINED IN SPACED RELATION TO THE LEADING EDGE OF THE SHEET AND AT THE SAME POTENTIAL TO ACCELERATE TOWARD SAID PATH PARTICLES OF COATING MATERIAL IN ADVANCE OF THE SHEET, THE DISTANCE BETWEEN THE SHEET AND THE DEFLECTING ELECTRODE BEING LESS THAN THE DISTANCE BETWEEN THE ARTICLE AND THE DISCHARGE ELECTRODE.
Claim 2
Dependent Claim
139 words
IN A METHOD OF ELECTROSTATICALLY COASTING A SHEET OF CONDUCTING MATERIAL, THE STEPS OF MOVING THE SHEET EDGEWISE OF ITSELF OVER A PREDETERMINED PATH PAST AND IN SPACED RELATION TO A DISCHARGE ELECTODE, MAINTAINING BETWEEN THE SHEET AND THE DISCHARGE ELECTRODE A HIGH DIFFERENCE OF ELECTRICAL POTENTIAL TO CREATE AN ELECTROSTATIC FIELD OVER THE SURFACE OF THE SHEET, SUPPLYING FINELY DIVIDED COATING MATERIAL TO SUCH FIELD FOR ELECTROSTIC PRECIPITATION ON THE SHEET, AND MOVING OVER SUCH PATH IN ADVANCE OF THE SHEET A DEFLECTING ELECTRODE OF CONDUCTING MATERIAL MAINTAINED IN SPACED RELATION TO THE LEADING EDGE OF THE SHEET AND AT THE SAME POTENTIAL TO ACCELERATE TOWARD SAID PATH PARTICLES OF COATING MATERIAL IN ADVANCE OF THE SHEET, THE DISTANCE BETWEEN THE SHEET AND THE DEFLECTING ELECTRODE BEING LESS THAN THE DISTANCE BETWEEN THE ARTICLE AND THE DISCHARGE ELECTRODE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |