Ophthalmic instrument

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Description

FIG. 1 is a front perspective view of our new design for an ophthalmic instrument or similar article taken from the left side thereof; and

FIG. 2 is a rear perspective view of the instrument of FIG. 1 taken from the right side thereof.

Referenced Cited
U.S. Patent Documents
1633979 December 1928 Ferree et al.
1657601 January 1928 Armbruster
3594072 July 1971 Feather et al.
3797921 March 1974 Kilmer et al.
3824005 July 1974 Woestman
3891311 June 1975 Fletcher et al.
4095859 June 20, 1978 Decker et al.
4102564 July 25, 1978 Michael
4128317 December 5, 1978 LeCover
4139280 February 13, 1979 Kohler
4187005 February 5, 1980 Rosenberger
Foreign Patent Documents
2054898 February 1981 GBX
Other references
  • Journal of the American Optometric Ass'n, 7/80, vol. 51 Marco Ad p. 648; Symmed, p. 659; Coherent Ad p. 854, vol. 51, No. 9, 9/80; Marco Ad, p. 1110, vol. 51, No. 12, 12/80.
Patent History
Patent number: D271399
Type: Grant
Filed: Oct 26, 1981
Date of Patent: Nov 15, 1983
Assignee: Bausch & Lomb Incorporated (Rochester, NY)
Inventors: Paul A. Jordan (Oneida, NY), Edwin A. Speaker (Brockport, NY)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay, Jr.
Attorneys: Bernard D. Bogdon, John S. Norton
Application Number: 6/314,599
Classifications
Current U.S. Class: Optical Article Not Elsewhere Specified (D16/130)
International Classification: D1606;