Patent US2667706A successfully refreshed from Google Patents.
US2667706A
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Solids-gas contacting
Assignee: EIDP Inc
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Filing: 1950-09-09
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Granted: 1954-02-02
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Expires: 1970-09-09
Abstract
No abstract record available.
Inventors
- 👤 Rollin D Morse
- 👤 Jr Eduard F Von Wettberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:25
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/10; B01J8/00; B01J8/16; Y; Y10; Y10S; Y10S118/00; Y10S118/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN THE FLUIDIZING OF SOLIDS BY A STREAM OF GAS FLOWING THERETHROUGH, THE STEPS OF IMPROVING THE FLUENCY AND REDUCING THE AGGLOMERATION AND ANGLE OF REPOSE OF PARTICLES WHICH COMPRISES APPLYING SONIC VIBRATIONS THROUGH THE GAS MEDIUM TO THE SOLIDS WITHIN THE AUDIBLE RANGE AT A SOUND PRESSURE LEVEL GREATER THAN ABOUT 100 DECIBELS TO PRODUCE COLLAPSE OF THE SOLIDS BED, AND CONTINU-
Claim 2
Dependent Claim
63 words
IN THE FLUIDIZING OF SOLIDS BY A STREAM OF GAS FLOWING THERETHROUGH, THE STEPS OF IMPROVING THE FLUENCY AND REDUCING THE AGGLOMERATION AND ANGLE OF REPOSE OF PARTICLES WHICH COMPRISES APPLYING SONIC VIBRATIONS THROUGH THE GAS MEDIUM TO THE SOLIDS WITHIN THE AUDIBLE RANGE AT A SOUND PRESSURE LEVEL GREATER THAN ABOUT 100 DECIBELS TO PRODUCE COLLAPSE OF THE SOLIDS BED, AND CONTINU-
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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) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |