Retroprism holder and sighting mechanism

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Description

FIG. 1 is an elevational view of one side of the retroprism holder and sighting mechanism showing my new design;

FIG. 2 is an elevational view of the rear of the mechanism shown in FIG. 1;

FIG. 3 is a top plan view of the mechanism shown in FIG. 1;

FIG. 4 is an elevational view of the other side of the mechanism shown in FIG. 1;

FIG. 5 is an elevational view of the front of the mechanism shown in FIG. 1; and

FIG. 6 is a bottom plan view of the mechanism shown in FIG. 1.

The broken lines are shown for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
D228525 October 1973 Buckley
D235375 June 1975 Kooi et al.
D235525 June 1975 Kooi et al.
Other references
  • Lietz Surveying Instruments & Equipment Catalog 95, .COPYRGT.1977, p. 47, Stock No. 7270-31, Retro Prism Mount.
Patent History
Patent number: D250400
Type: Grant
Filed: Jan 3, 1978
Date of Patent: Nov 28, 1978
Inventor: Thomas N. Haidek (Oklahoma City, OK)
Primary Examiner: Bernard Ansher
Attorney: Bill D. McCarthy
Application Number: 5/866,245
Classifications
Current U.S. Class: Element Or Attachment (4) (D10/103); Transit Or Theodolite (D10/66)
International Classification: D1004; D1606;