US3566585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease-extracting apparatus
Assignee: FLAME GARD Inc 6825 EAST WASHINGTON BLVD LOS ANGELES
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Filing: 1969-07-07
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Granted: 1971-03-02
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Expires: 1989-07-07
Abstract
Abstract THE FILTER OF THE INVENTION HAS TWO FRAMES IN ADJUSTABLE TELESCOPIC RELATIONSHIP TO CONTROL THE VOLUME OF AIR FLOW THERETHROUGH. EACH FROME CARRIES AN ALIGNED ROW OF SPACED APART BAFFLE MEMBERS WITH THE ROW OF ONE FRAME IN STAGGERED OR OFFSET RELATIONSHIP WITH THE ROW OF THE OTHER FRAME, WHEREBY HOT ORGANIC LADEN AIR DRAWN THROUGH THE FILTER CIRCULATES BETWEEN THE ROWS IN A DEVIOUS PATH IN ITS PASSAGE TO A VENT DUCT. THE BAFFLE MEMBERS ARE COATED WITH A NON-ADHERENT MATERIAL SUCH AS A FLUOROCARBON RESIN, WHEREBY THE HOT ORGANIC MATERIAL WHICH NORMALLY WOULD ADHERE TO THE BAFFLE MEMBERS WILL DRIP OR FLOW THEREFROM UNDER GRAVITY INTO A TROUGH FOR DISPOSAL.
Inventors
- 👤 Mona A Voloshen
- 👤 Danny B Deaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:21
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20; F24C15/2035
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |