Patent
   D254803
Priority
Nov 21 1977
Filed
Nov 21 1977
Issued
Apr 22 1980
Expiry
Apr 22 1994
Assg.orig
Entity
unknown
10
13
n/a
The ornamental design for an air circulator, as shown.

FIG. 1 is a side elevational view of an air circulator embodying our new design;

FIG. 2 is a top plan view thereof; and

FIG. 3 is a bottom plan view thereof.

Martin, David A., Rusth, Douglas B.

Patent Priority Assignee Title
10663192, Jan 04 2013 Vertical vent stack cap
D262235, Aug 22 1979 Portable air recirculator
D262313, Aug 22 1979 Portable air recirculator
D265340, Jun 23 1980 Air recirculator
D268053, Jul 07 1980 Heat distributor
D269114, Nov 17 1980 SPECTRA, INC Air circulator
D276182, Sep 30 1982 Air circulator
D618784, May 12 2008 Vent pipe using ultraviolet light for purification of discharge gases
D642669, Sep 09 2010 Vent cap
D950704, Jan 16 2020 Walmart Apollo, LLC Handle mounted fan guard
Patent Priority Assignee Title
1170551,
2528650,
3173353,
3347025,
3750557,
3827342,
3973479, Jun 23 1975 Floor-ceiling air circulating device
4053732, Nov 05 1975 Portable electric room air heater
4064203, Sep 16 1976 Western Magnum Corporation Air-circulating device with air freshener, humidifier, and/or deodorizer
4136606, Mar 25 1977 KERSHAW, WALTER Wall mounted ventilating device
4152973, Sep 16 1977 Heat energy homogenizer
FR2275734,
FR2296818,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 05 1980RUSTH DOUGLAS B U S NATIONAL BANK OF OREGONCONDITIONAL ASSIGNMENT SEE DOCUMENT FOR DETAILS 0038640303 pdf
Aug 05 1980MARTIN DAVIDU S NATIONAL BANK OF OREGONCONDITIONAL ASSIGNMENT SEE DOCUMENT FOR DETAILS 0038640303 pdf
Jun 30 1983UNITED STATES BANK OF OREGON, A NATIONAL BANKING CORPORATIONSMALL BUSINESS ADMINISTRATION,ASSIGNMENT OF ASSIGNORS INTEREST 0041570277 pdf
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