US2658009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic coating method and apparatus
Assignee: Ransburg Corp
•
Filing: 1948-05-13
•
Granted: 1953-11-03
•
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 12:26
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.
References Cited (Backward Citations)
US1855869A
Cited
US2074935A
Cited
US2097233A
Cited
US2221338A
Cited
US2187306A
Cited
US2224391A
Cited
US2359476A
Cited
US2287837A
Cited
US2451288A
Cited
US2421787A
Cited
US2446953A
Cited
US2546701A
Cited
US2562358A
Cited
US2958406A
Cited
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 |