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US3088220A Expired / Lapsed US ⏱️ 0.0 years remaining

Supersonic vibrating drying system

Assignee: Industrial Powertronix Inc
•
Filing: 1957-10-21
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Granted: 1963-05-07
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Expires: 1977-10-21
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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.

References Cited (Backward Citations)

US1945281A Cited
US2163650A Cited
US2158354A Cited
US2344754A Cited
US2468537A Cited
US2576297A Cited
US2633171A Cited
US2645031A Cited
US2667706A Cited
US2740202A Cited
US2812018A Cited
US2969111A Cited

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

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