Patent US3086712A successfully refreshed from Google Patents.
US3086712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilted axis twin disc paint sprayer
Assignee: Hoover Co
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Filing: 1961-09-27
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Granted: 1963-04-23
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Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 William R Frazier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:27
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/025; B05B5/04; B05B5/0403; B05B5/0407
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN ELECTROSTATIC PAINTING APPARATUS COMPRISING, A PAIR OF ROTARY DISC ATOMIZERS, MEANS FOR ROTATABLY SUPPORTING SAID DISCS ON SUBSTANTIALLY VERTICAL AXES IN SPACED APART RELATIONSHIP TO EACH OTHER AT SUBSTANTIALLY THE SAME VERTICAL LEVEL SO THAT PAINT PROJECTED FROM EACH DISC WILL BE PROJECTED TOWARD THE OTHER, MEANS FOR ROTATING SAID DISCS AT A HIGH SPEED, MEANS FOR DELIVERING PAINT TO A SURFACE OF EACH OF SAID DISCS, AND MEANS FOR CHARGING SAID DISCS AT A HIGH POTENTIAL, SAID SUPPORTING MEANS BEING FORMED TO SUPPORT SAID DISCS FOR ROTATION ON AXES INCLINED OUTWARDLY AT A SMALL ANGLE RELATIVE TO EACH OTHER SO THAT PAINT PROJECTED FROM THE PERIPHERY OF EACH DISC WILL BE PROJECTED BELOW THE EDGE OF THE OTHER DISC.
Claim 2
Dependent Claim
121 words
AN ELECTROSTATIC PAINTING APPARATUS COMPRISING, A PAIR OF ROTARY DISC ATOMIZERS, MEANS FOR ROTATABLY SUPPORTING SAID DISCS ON SUBSTANTIALLY VERTICAL AXES IN SPACED APART RELATIONSHIP TO EACH OTHER AT SUBSTANTIALLY THE SAME VERTICAL LEVEL SO THAT PAINT PROJECTED FROM EACH DISC WILL BE PROJECTED TOWARD THE OTHER, MEANS FOR ROTATING SAID DISCS AT A HIGH SPEED, MEANS FOR DELIVERING PAINT TO A SURFACE OF EACH OF SAID DISCS, AND MEANS FOR CHARGING SAID DISCS AT A HIGH POTENTIAL, SAID SUPPORTING MEANS BEING FORMED TO SUPPORT SAID DISCS FOR ROTATION ON AXES INCLINED OUTWARDLY AT A SMALL ANGLE RELATIVE TO EACH OTHER SO THAT PAINT PROJECTED FROM THE PERIPHERY OF EACH DISC WILL BE PROJECTED BELOW THE EDGE OF THE OTHER DISC.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |