US3576593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Environmental air sanitizer
Assignee: DANIEL J CICIRELLO
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Filing: 1969-04-28
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Granted: 1971-04-27
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Expires: 1989-04-28
Abstract
Abstract AN APPARATUS FOR SELECTIVELY TREATING ENVIRONMENTAL AIR AS IT IS CIRCULATED OVER A PATH INCLUDING AN ELONGATE ENCLOSURE IN WHICH ARE DISPOSED FACILITIES EFFECTIVE FOR WITHDRAWING AIR FROM A ROOM THROUGH A MECHANICAL FILTER, DIVIDING THE AIR TAKEN IN INTO TWO DISCRETE PATHS, CHEMICALLY TREATING THE AIR IN ONE PATH BY ADDING A VAPOR PHASE ADDITIVE, OPTICALLY TREATING THE AIR IN THE OTHER PATH FIRST WITH GERMICIDAL ULTRAVIOLET RADIATION FOLLOWED BY OZONIZING ULTRAVIOLET RADIATION, TURBULENTLY MIXING THE GERMI- CIDALLY IRRADIATED AIR WITH THE OZONIZED AIR, AND FINALLY BLENDING THE ADDITIVE TREATED AIR WITH THE OPTICALLY TREATED AIR AND RETURNING THE BLENDED AIR TO THE ROOM.
Inventors
- 👤 Daniel J Cicirello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:10
CPC Classifications
F; F24; F24F; F24F8/00; F24F8/20; F24F8/22; F24F8/24; F24F8/26; Y; Y10; Y10S; Y10S261/00; Y10S261/65; Y10S261/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |