Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1993-12-01
1995-11-07
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D03639827
REFERENCES:
patent: D32574 (1900-04-01), Richardson
patent: 2081030 (1937-05-01), Anderson
patent: 3317124 (1967-05-01), Morrill
patent: 4502291 (1985-03-01), Shelton et al.
patent: 4710096 (1987-12-01), Erlam
patent: 4759526 (1988-07-01), Crawford et al.
Brochure entitled "36" and 48" Grower Fans", Aerotech, Inc., Jan. 1993.
Brochure entitled "Controlled Environment Systems for Farm Buildings--Type NBF Fans," American Coolair Corporation, Mar., 1992.
Brochure entitled "Controlled Environment Systems for Farm Buildings: Farm Building Ventilation--Type NCF Fans," American Coolair Corporation, Nov. 1992.
Brochure entitled "Assembly Instructions and Parts Manual: Vertical Belt-Drive Fans--Models 3C145 through 3C151A," Dayton Electric Manufacturing Co. (undated) applicant believes these fans were in public domain 1 yr prior to Dec. 1993.
Brochure entitled "Create Profits Through Proper Ventilation," Hired-Hand Inc. (undated), however, applicant believes these fans were in public domain 1 yr prior to Dec. 1993.
CTB Inc.
Lichtenstein Lisa P.
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