Patent US2658009A successfully refreshed from Google Patents.
US2658009A
Expired / Lapsed
US
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Electrostatic coating method and apparatus
Assignee: Ransburg Corp
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Filing: 1948-05-13
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Granted: 1953-11-03
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Expires: 1968-05-13
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Ransburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:22
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/08; B05B5/14; B05B5/025; B05B5/0255; B05B5/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
IN THE DEPOSITION OF LIQUID MATERIAL ONTO A SURFACE, THE STEPS OF ELECTROSTATICALLY ATOMIZING LIQUID MATERIAL FROM A SOURCE THEREOF, ELECTROSTATICALLY PROJECTING THE ATOMIZED LIQUID MATERIAL IN THE FORM OF A JET ONTO THE SURFACE, AND MAINTAINING A CORONA DISCHARGE SURROUNDING AND SPACED FROM SAID SOURCE BUT SUFFICIENTLY CLOSE TO CONTROL THE JET OF ATOMIZED LIQUID MATERIAL.
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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) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |