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US3605272A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for drying and sterilizing fabrics and the like

Assignee: Wave Energy Systems Inc
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Filing: 1969-07-28
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Granted: 1971-09-20
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Expires: 1989-07-28
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Abstract

Abstract A method for rapid drying and sterilizing of clothes, fabrics, garments, textiles and the like in which electromagnetic waves (100 to 300,000 MHz.) are combined with a fast moving air stream while the irradiated material rotates slowly in the processing area in a direction transverse to the air stream and the propagated electromagnetic waves. The apparatus of the invention is the size of a conventional home dryer, is noiseless and can dry a 7-pound fabric workload in two to five minutes while destroying all household germs or microbiological contaminants. It is equipped for automatic operation for different kinds of fabrics and health hazards have been eliminated through the use of automatic safety devices.

Inventors

  • 👤 Raymond Marcel Gut Boucher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:33
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/20; D06F58/26; D06F58/266; A; A61; A61L; A61L2/00; A61L2/02; A61L2/08; A61L2/12; A61L2103/00; A61L2103/50

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

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