Photo-responsive lamp switching apparatus
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Description
FIG. 1 is a perspective view of the photo-responsive lamp switching apparatus, and shaded to designate optically transmissive structure;
FIG. 2 is a top plan view;
FIG. 3 is a side elevation view from an orientation that shows two tapered upper walls; the opposite view is the same;
FIG. 4 is a bottom plan view; and,
FIG. 5 is a side elevation view from an orientation showing only a single tapered panel, and the opposite view is identical.
Claims
The ornamental design for a photo-responsive lamp switching apparatus, as shown and described.
Referenced Cited
Patent History
Patent number: D454337
Type: Grant
Filed: Mar 20, 2000
Date of Patent: Mar 12, 2002
Assignee: Pacific Scientific Company (Weymouth, MA)
Inventor: Michael John Robinson (Scituate, MA)
Primary Examiner: Ted Shooman
Assistant Examiner: Selina Sikder
Attorney, Agent or Law Firm: Lahive & Cockfield, LLP
Application Number: 29/120,490
Type: Grant
Filed: Mar 20, 2000
Date of Patent: Mar 12, 2002
Assignee: Pacific Scientific Company (Weymouth, MA)
Inventor: Michael John Robinson (Scituate, MA)
Primary Examiner: Ted Shooman
Assistant Examiner: Selina Sikder
Attorney, Agent or Law Firm: Lahive & Cockfield, LLP
Application Number: 29/120,490
Classifications