US3128045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic coating apparatus
Assignee: Ransburg Corp
•
Filing: 1961-05-31
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Granted: 1964-04-07
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Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 William D Gauthier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:46
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/025; B05B5/04; B05B5/0403
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
IN A CHARGING APPARATUS FOR COATING MATERIAL, A PAIR OF INSULATING MEMBERS, ONE OF SAID INSULATING MEMEBERS TERMINATING IN A DISCHARGE EDGE, AN ELECTRO-CONDUCTIVE ELEMENT INTERPOSED BETWEEN SAID MEMBERS, SAID ELEMENT BEING ADAPTED TO BE CONNECTED TO A HIGH VOLTAGE SOURCE, MEANS FOR SUPPLYING COATING MATERIAL FROM A SOURCE OF SUPPLY ONTO THE OUTWARDLY PRESENTED FACE OF ONE OF SAID MEMBERS, AND MEANS FOR MOVING THE COATING MATERIAL OVER AND IN CONTACT WITH SAID FACE OF ONE OF SAID MEMEBERS INTO OPERATIVE ASSOCIATION WITH SAID ELEMENT AND TO SAID DISCHARGE EDGE WHERE THE COATING AMTERIAL IS DISCHARGED AS A CHARGED SPRAY HAVING THE SAME POLARITY AS THE ELECTROCONDUCTIVE ELEMENT.
References Cited (Backward Citations)
US1928963A
Cited
US2989241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |