Photo-responsive lamp switching apparatus

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
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
U.S. Patent Documents
D83260 February 1931 Lewis
D190175 April 1961 Garnick
D339107 September 7, 1993 Van Genechten
D361057 August 8, 1995 Fayfield
D369348 April 30, 1996 Hu
D400864 November 10, 1998 La Police
D401563 November 24, 1998 La Police
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
Classifications
Current U.S. Class: Photocell Operated (21) (D13/165)
International Classification: 1303;