US3276189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct contact air treating apparatus
Assignee: MILL AND MINE SERVICES Inc A CORP OF
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Filing: 1963-12-06
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Granted: 1966-10-04
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 Stig G Sylvan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:23
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F6/00; F24F6/02; F24F6/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
DIRECT CONTACT AIR TREATING APPARATUS COMPRISING: (A) A CASING HAVING AN AIR INLET END AND AN AIR OUTLET END DEFINING A PASSAGE FOR AIR TO BE TREATED; (B) FAN MEANS AT THE AIR OUTLET END OF SAID CASING FOR INDUCING AIR FLOW THROUGH SAID CASING; (C) MEANS FOR ROTATING SAID FANS MEANS IN ONE DIRECTION; (D) MEANS AT THE AIR INLET END OF SAID CASING FOR IMPARTING ROTATION TO ENTERING AIR IN A DIRECTION OPPOSITE TO THE DIRECTION OF ROTATION OF SAID FAN MEANS; AND, (E) MEANS BETWEEN SAID AIR INLET END AND SAID FAN MEANS FOR PROJECTING LIQUID DROPLETS OUTWARDLY INTO THE AIR STREAM WITH A ROTATIONAL VELOCITY COMPONENT IN THE SAME DIRECTION AS THE DIRECTION OF ROTATION IMPARTED TO SAID ENTERING AIR.
Claim 2
Dependent Claim
124 words
DIRECT CONTACT AIR TREATING APPARATUS COMPRISING: (A) A CASING HAVING AN AIR INLET END AND AN AIR OUTLET END DEFINING A PASSAGE FOR AIR TO BE TREATED; (B) FAN MEANS AT THE AIR OUTLET END OF SAID CASING FOR INDUCING AIR FLOW THROUGH SAID CASING; (C) MEANS FOR ROTATING SAID FANS MEANS IN ONE DIRECTION; (D) MEANS AT THE AIR INLET END OF SAID CASING FOR IMPARTING ROTATION TO ENTERING AIR IN A DIRECTION OPPOSITE TO THE DIRECTION OF ROTATION OF SAID FAN MEANS; AND, (E) MEANS BETWEEN SAID AIR INLET END AND SAID FAN MEANS FOR PROJECTING LIQUID DROPLETS OUTWARDLY INTO THE AIR STREAM WITH A ROTATIONAL VELOCITY COMPONENT IN THE SAME DIRECTION AS THE DIRECTION OF ROTATION IMPARTED TO SAID ENTERING AIR.
References Cited (Backward Citations)
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |