US2535700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of agglomerating and recovering aerosol particles
Assignee: Ultrasonic Corp
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Filing: 1948-09-29
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Granted: 1950-12-26
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Expires: 1968-09-29
Abstract
No abstract record available.
Inventors
- 👤 Gordon C Seavey
- 👤 Caperton B Horsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:58
CPC Classifications
B; B01; B01D; B01D49/00; B01D49/006; Y; Y10; Y10S; Y10S516/00; Y10S516/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE METHOD OF TREATING AEROSOLS TO INCREASE THE AVERAGE PARTICLE SIZE TO AN EXTENT PERMITTING CENTRIFUGAL SEPARATION COMPRISING GENERATING IN AN ENCLOSURE A SOUND FIELD AT AN INTENSITY OF AT LEAST 140 DB AND A FREQUENCY OF BETWEEN 5005000 C. P. S., AND FLOWING THE AEROSOL CONTINUOUSLY THROUGH THE ENCLOSURE AT A RATE SUFFICIENT TO EXPOSE THE AEROSOL PARTICLES TO THE ACTION OF SOUND FOR AN AVERAGE TIME NOT EXCEEDING 10 SECONDS.
Claim 2
Independent Claim
72 words
THE METHOD OF TREATING AEROSOLS TO INCREASE THE AVERAGE PARTICLE SIZE TO AN EXTENT PERMITTING CENTRIFUGAL SEPARATION COMPRISING GENERATING IN AN ENCLOSURE A SOUND FIELD AT AN INTENSITY OF AT LEAST 140 DB AND A FREQUENCY OF BETWEEN 5005000 C. P. S., AND FLOWING THE AEROSOL CONTINUOUSLY THROUGH THE ENCLOSURE AT A RATE SUFFICIENT TO EXPOSE THE AEROSOL PARTICLES TO THE ACTION OF SOUND FOR AN AVERAGE TIME NOT EXCEEDING 10 SECONDS.
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) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |