Patent
   D247947
Priority
Nov 10 1976
Filed
Nov 10 1976
Issued
May 23 1978
Expiry
May 23 1992
Assg.orig
Entity
unknown
4
9
n/a
The ornamental design for an adjustable air inlet manifold, substantially as shown and described.

FIG. 1 is a perspective view of an adjustable air inlet manifold, showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a bottom plan view, and

FIG. 6 is an end elevational view thereof.

The broken line representation of a combined fire place grate and heating unit in FIG. 1 is for purposes of illustration only.

Noll, Stanley Darwin

Patent Priority Assignee Title
D616975, Nov 04 2009 Combustion air vent with side retainers
D616976, Nov 04 2009 Combustion air vent with top and bottom retainers
D621924, Jan 25 2010 Combustion air vent with flat top and bottom retainers and beveled edge
D680212, Oct 06 2011 Window vent
Patent Priority Assignee Title
1747259,
3452737,
3469570,
3901212,
3938496, Dec 26 1974 Unique Functional Products Fireplace forced air circulation means
228728,
240536,
242543,
77935,
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Nov 10 1976Production Experts, Inc.(assignment on the face of the patent)
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