Patent
   D284272
Priority
Aug 09 1984
Filed
Aug 09 1984
Issued
Jun 17 1986
Expiry
Jun 17 2000
Assg.orig
Entity
unknown
10
4
n/a
The ornamental design for an ionization chamber for a smoke detector, as shown and described.

FIG. 1 is a top perspective view of an ionization chamber for a smoke detector showing my new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is an enlarged side elevational view taken in the direction of the arrows along line 3--3 of FIG. 2;

FIG. 4 is an enlarged bottom plan view thereof;

FIG. 5 is a bottom perspective view thereof.

Chen, Laurence

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Patent Priority Assignee Title
3863076,
3900795,
D260378, Nov 02 1978 DICON SAFETY PRODUCTS INTERNATIONAL INC ; DICON ELECTRONICS LIMITED; DICON INTERNATIONAL LIMITED AND DICON SYSTEMS INC Ionization chamber for an electronic smoke detector
D270625, Aug 24 1981 Pittway Corporation Unipolar chamber for ionization smoke detector
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