US3148831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic spraying apparatus
Assignee: Machines Electrostatiques SA
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Filing: 1961-10-13
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Granted: 1964-09-15
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Expires: 1981-10-13
Abstract
No abstract record available.
Inventors
- 👤 Point Marcel Auguste Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:59
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/025; B05B5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A SPRAY GUN FOR THE ELECTROSTATIC SPRAYING OF FINELY DIVIDED MATERIALS COMPOSED OF CONDUCTING PARTICLES, SUCH AS METALLIC PAINTS, AND HAVING A BUTT AND A BARREL, A PAINT FEED PIPE OF ELECTRICALLY INSULATING MATERIAL EXTENDING IN A DIRECTION GENERALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID BARREL AND COMPRISING A SINUOUS TUBE LOCATED WITHIN SAID BARREL AND HAVING ITS BENDS ALL LYING IN A COMMON PLANE WHICH EXTENDS PARALLEL TO THE LONGITUDINAL AXIS OF SAID BARREL AND FROM TOP TO BOTTOM OF SAID BARREL WHEREBY THE BENDS OF SAID TUBE ARE DISPOSED IN A SUBSTANTIALLY VERTICAL PLANE WHEN THE GUN IS HELD IN THE POSITION OF USE.
Claim 2
Dependent Claim
107 words
A SPRAY GUN FOR THE ELECTROSTATIC SPRAYING OF FINELY DIVIDED MATERIALS COMPOSED OF CONDUCTING PARTICLES, SUCH AS METALLIC PAINTS, AND HAVING A BUTT AND A BARREL, A PAINT FEED PIPE OF ELECTRICALLY INSULATING MATERIAL EXTENDING IN A DIRECTION GENERALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID BARREL AND COMPRISING A SINUOUS TUBE LOCATED WITHIN SAID BARREL AND HAVING ITS BENDS ALL LYING IN A COMMON PLANE WHICH EXTENDS PARALLEL TO THE LONGITUDINAL AXIS OF SAID BARREL AND FROM TOP TO BOTTOM OF SAID BARREL WHEREBY THE BENDS OF SAID TUBE ARE DISPOSED IN A SUBSTANTIALLY VERTICAL PLANE WHEN THE GUN IS HELD IN THE POSITION OF USE.
References Cited (Backward Citations)
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US1946339A
Cited
US2739838A
Cited
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Cited
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |