Multiple function image switching attachment for a telescope or similar article
Description
FIG. 1 is a top plan view of a multiple function image switching attachment for a telescope or similar article showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a cross-sectional view thereof, taken alone line 4--4 of FIG. 1;
FIG. 5 is a rear elevational view thereof; and
FIG. 6 is a perspective view thereof, showing the top component raised.
Referenced Cited
U.S. Patent Documents
Other references
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D253476 | November 20, 1979 | Schneck et al. |
D265482 | July 20, 1982 | Bressler |
D268768 | April 26, 1983 | Melsheimer et al. |
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3645602 | February 1972 | Clave et al. |
3871741 | March 1975 | Clave et al. |
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3900858 | August 1975 | McCann et al. |
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4448500 | May 15, 1984 | Marling et al. |
4749271 | June 7, 1988 | Nagler |
- Sky and Telescope Magazine, Feb. 1983, bottom of p. 106, Questar Telescope and Diagonal. Clave Beamsplitter.
Patent History
Patent number: D310676
Type: Grant
Filed: Feb 10, 1988
Date of Patent: Sep 18, 1990
Inventor: Jeffrey R. Charles (Camp Verde, AZ)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris V. Coles
Application Number: 7/155,003
Type: Grant
Filed: Feb 10, 1988
Date of Patent: Sep 18, 1990
Inventor: Jeffrey R. Charles (Camp Verde, AZ)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris V. Coles
Application Number: 7/155,003
Classifications