Patent US2889284A successfully refreshed from Google Patents.
US2889284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vortex fog generators
Assignee: Thermo Projects Inc
•
Filing: 1951-03-10
•
Granted: 1959-06-02
•
Expires: 1971-03-10
Abstract
No abstract record available.
Inventors
- 👤 George P Haynes
- 👤 Letvin Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:00
CPC Classifications
F; F41; F41H; F41H9/00; F41H9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A FOG GENERATOR COMPRISING AN ELONGATED OUTER CASING, AN ELOGNATED INNER CASTING IN THE OUTER CASING AND EXTENDING LONGITUDINALLY BUT SPACED FROM THE SIDE WALLS THEREOF, THE INNER CASING HAVING AN OPEN FRONT END ADJACENT TO THE END OF THE OUTER CASING SAID END OF THE OUTER CASING HAVING AN OPENING THEREIN COMMUNICATING WITH THE INTERIOR OF THE INNER CASING, A MIXING CUP HAVING ITS MOUTH EXTENDING THROUGH SAID OPENING, THE BODY OF THE MIXING CUP EXTENDING INTO THE INNER CASING, AN OIL ATOMIZER MOUNTED AT THE REAR END OF THE CASINGS AND DISCHARGING ATOMIZED OIL INTO THE REAR END OF THE INNER CASING, MEANS FOR INTRODUCING AIR UNDER PRESSURE INTO THE SPACE BETWEEN THE INNER AND OUTER CASINGS, AIR PORTS FOR ADMITTING AIR FROM THE SPACE BETWEEN THE CASINGS INTO THE INNER CASINGS ADJACENT TO THE OIL ATOMIZER, GAS PORTS IN THE MIXING CUP FOR ADMITTING HOT GASES FROM THE FORWARD PART OF THE INNER CASING INTO THE MIXING CUP, AND MEANS FOR INTRODUCING A FOGGING SUBSTANCE INTO THE MIXING CUP.
Claim 2
Dependent Claim
172 words
A FOG GENERATOR COMPRISING AN ELONGATED OUTER CASING, AN ELOGNATED INNER CASTING IN THE OUTER CASING AND EXTENDING LONGITUDINALLY BUT SPACED FROM THE SIDE WALLS THEREOF, THE INNER CASING HAVING AN OPEN FRONT END ADJACENT TO THE END OF THE OUTER CASING SAID END OF THE OUTER CASING HAVING AN OPENING THEREIN COMMUNICATING WITH THE INTERIOR OF THE INNER CASING, A MIXING CUP HAVING ITS MOUTH EXTENDING THROUGH SAID OPENING, THE BODY OF THE MIXING CUP EXTENDING INTO THE INNER CASING, AN OIL ATOMIZER MOUNTED AT THE REAR END OF THE CASINGS AND DISCHARGING ATOMIZED OIL INTO THE REAR END OF THE INNER CASING, MEANS FOR INTRODUCING AIR UNDER PRESSURE INTO THE SPACE BETWEEN THE INNER AND OUTER CASINGS, AIR PORTS FOR ADMITTING AIR FROM THE SPACE BETWEEN THE CASINGS INTO THE INNER CASINGS ADJACENT TO THE OIL ATOMIZER, GAS PORTS IN THE MIXING CUP FOR ADMITTING HOT GASES FROM THE FORWARD PART OF THE INNER CASING INTO THE MIXING CUP, AND MEANS FOR INTRODUCING A FOGGING SUBSTANCE INTO THE MIXING CUP.
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) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |