Patent
   D269700
Priority
Dec 04 1978
Filed
Dec 04 1978
Issued
Jul 12 1983
Expiry
Jul 12 1997
Assg.orig
Entity
unknown
5
4
n/a
The ornamental design for a ventilator, as shown and described.

FIG. 1 is a front elevational view of a ventilator showing our new design;

FIG. 2 is another front elevational view thereof, showing the covers in their closed position;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a rear elevational view of FIG. 2;

FIG. 5 is a top plan view thereof, the bottom being the same as the top shown;

FIG. 6 is an end elevational view thereof, the opposite end being the same as the end shown.

The broken line representation of a screen and pivotal panels in FIGS. 1, 3 and 4 are for purposes of illustration only.

Peirce, Elwin E., Waltz, Arthur L.

Patent Priority Assignee Title
5444947, Feb 09 1993 NOLL NORWESCO, LLC Foundation vent
5460572, Mar 23 1987 NOLL NORWESCO, LLC Foundation ventilator
5496213, Feb 09 1993 NOLL NORWESCO, LLC Foundation vent
6165066, Mar 20 1998 PACIFIC AWARD METALS, INC Multi-part foundation ventilator of variable preselected width
D875233, Feb 15 2018 Foundation exhaust fan
Patent Priority Assignee Title
3287870,
165244,
214031,
D245102, Jan 30 1976 Burton B., Jones Underground utility housing
/////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 23 1984WALTZ, ARTHUR L VENT AIR, INC ASSIGNMENT OF ASSIGNORS INTEREST 0043510605 pdf
Dec 13 1984PEIRCE, ELWIN E VENT AR, INC ASSIGNMENT OF ASSIGNORS INTEREST 0043510606 pdf
Jan 16 1997VENT AIR, INC NOLL MANUFACTURING CO ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084230953 pdf
Jan 18 1997PEIRCE, ELWIN E VENT AIR, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084230666 pdf
Jan 21 1997WALTZ, ARTHUR L VENT AIR, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084230666 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule