US2881092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray device actuated by supersonic means
Assignee: Individual
•
Filing: 1956-12-10
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Granted: 1959-04-07
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Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 Jr John Sedlacsik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:09
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/08; B05B5/10; B05B5/025; B05B5/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
APPARATUS FOR COATING AN OBJECT BY SPRAYING AN ELECTROSTATICALLY CHARGED LIQUID IN A FINE MIST-LIKE JET ON SAID OBJECT, COMPRISING NOZZLE MEANS FOR PROJECTING A MIXTURE OF THE LIQUID AND A MOTIVE AGENT, MEANS FOR RECEIVING THE PROJECTED MIXTURE OF THE LIQUID AND MOTIVE AGENT FROM SAID NOZZLE MEANS, SAID LATTER MEANS BEING CAPABLE OF SUPERSONIC VIBRATION AND HAVING A FREE FORWARD KNIFE EDGE, MEANS FOR SUPERSONICALLY VIBRATING SAID RECEIVING MEANS SO AS TO APPLY COMPRESSIONAL WAVES AT A SURFACE OF THE MIXTURE OF THE LIQUID AND MOTIVE AGENT DISCHARGED ONTO SAID RECEIVING MEANS, AND MEANS INCLUDING A HIGH-VOLTAGE SOURCE ELECTRICALLY CONNECTED, RESPECTIVELY, TO SAID RECEIVING MEANS AND TO THE OBJECT TO BE COATED FOR MAINTAINING AN ATOMIZING ELECTROSTATIC FIELD ADJACENT THE FREE FORWARD KNIFE EDGE OF SAID RECEIVING MEANS.
Claim 2
Dependent Claim
130 words
APPARATUS FOR COATING AN OBJECT BY SPRAYING AN ELECTROSTATICALLY CHARGED LIQUID IN A FINE MIST-LIKE JET ON SAID OBJECT, COMPRISING NOZZLE MEANS FOR PROJECTING A MIXTURE OF THE LIQUID AND A MOTIVE AGENT, MEANS FOR RECEIVING THE PROJECTED MIXTURE OF THE LIQUID AND MOTIVE AGENT FROM SAID NOZZLE MEANS, SAID LATTER MEANS BEING CAPABLE OF SUPERSONIC VIBRATION AND HAVING A FREE FORWARD KNIFE EDGE, MEANS FOR SUPERSONICALLY VIBRATING SAID RECEIVING MEANS SO AS TO APPLY COMPRESSIONAL WAVES AT A SURFACE OF THE MIXTURE OF THE LIQUID AND MOTIVE AGENT DISCHARGED ONTO SAID RECEIVING MEANS, AND MEANS INCLUDING A HIGH-VOLTAGE SOURCE ELECTRICALLY CONNECTED, RESPECTIVELY, TO SAID RECEIVING MEANS AND TO THE OBJECT TO BE COATED FOR MAINTAINING AN ATOMIZING ELECTROSTATIC FIELD ADJACENT THE FREE FORWARD KNIFE EDGE OF SAID RECEIVING MEANS.
References Cited (Backward Citations)
US2512743A
Cited
US2784114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |