US3308610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid apparatus for removing mist or vapors from the air
Assignee: Robbins and Myers Inc
•
Filing: 1964-03-31
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Granted: 1967-03-14
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Expires: 1984-03-31
Abstract
No abstract record available.
Inventors
- 👤 William E Springer
- 👤 Jerry V Sherick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:01
CPC Classifications
A; A01; A01G; A01G15/00; Y; Y10; Y10S; Y10S55/00; Y10S55/13
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
148 words
APPARATUS FOR REMOVING OIL MIST FROM AIR HAVING OIL MIST THEREIN COMPRISING: A BASE IN THE FORM OF A LIQUID RECEPTACLE, AN INNER HOLLOW CYLINDER SUPPORTED BY THE BASE AND SUBSTANTIALLY NORMAL THERETO, A CLOSURE MEMBER COVERING THE CYLINDER AT THE END THEREOF OPPOSITE THE BASE, A MOTOR WITHIN THE HOLLOW CYLINDER, THE MOTOR HAVING A ROTARY SHAFT EXTENDING THROUGH THE CLOSURE MEMBER, A FAN ATTACHED TO THE ROTARY SHAFT EXTERIOR OF THE INNER CYLINDER, A WALL OF OPEN PORE URETHAEN FOAM MATERIAL ENCOMPASSING THE FAN AND THE INNER CYLINDER AND SPACED THEREFROM SO THAT A PASSAGE IS FORMED BETWEEN THE INNER CYLINDER AND THE WALL, THE FAN FORCING AIR HAVING OIL MIST THEREIN INTO THE WALL OF URETHANE FOAM MATERIAL, THE AIR PASSING THROUGH THE WALL WHILE THE OIL MIST CONDENSES INTO LIQUID OIL WITHIN THE WALL, THE LIQUID OIL FLOWING WITHIN THE WALL TO THE BASE.
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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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |