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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 on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 23 1984 | WALTZ, ARTHUR L | VENT AIR, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004351 | /0605 | |
Dec 13 1984 | PEIRCE, ELWIN E | VENT AR, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004351 | /0606 | |
Jan 16 1997 | VENT AIR, INC | NOLL MANUFACTURING CO | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008423 | /0953 | |
Jan 18 1997 | PEIRCE, ELWIN E | VENT AIR, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008423 | /0666 | |
Jan 21 1997 | WALTZ, ARTHUR L | VENT AIR, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008423 | /0666 |
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