Patent CA2042305C successfully refreshed from Google Patents.
Patent US3088220A successfully refreshed from Google Patents.
US3088220A
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US
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Supersonic vibrating drying system
Assignee: Industrial Powertronix Inc
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Filing: 1957-10-21
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Granted: 1963-05-07
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Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Frank R Ofner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:42
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/02; Y; Y10; Y10S; Y10S159/00; Y10S159/90
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
IN A METHOD OF DRYING A WETTED GRANULAR MATERIAL, THE STEPS OF SPREADING A RELAVITELY THIN LAYER OF SUCH WETTED MATERIAL ALONG A RECEIVER HAVING A SURFACE FOR THE RECEIPT OF SUCH MATERIAL THEREON TO EFFECT AN INTIMATE CONTACT BETWEEN SUCH MATERIAL AND SAID RECEIVER SURFACE, VIBRATING SAID RECEIVER SURFACE AT AN ULTRA-SONIC FREQUENCY TO IMPART AN ULTRA-SONIC FREQUENCY VIBRATORY ENERGY TO SUCH WETTED MATERIAL SPREAD THEREALONG TO VAPORIZE MOISTURE CARRIED THEREBY AND THEREBY RELEASE SUCH VAPORIZED MOISTURE THEREFROM, PASSING A STREAM OF AIR OVER SUCH LAYER OF MATERIAL DURING THE VIBRATION THEREOF TO REMOVE THE VAPOR RELEASED THEREFROM, AND THEREAFTER REMOVING THE THUSLY DRIED GRANULAR MATERIAL FROM SAID RECEIVER.
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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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |