Mixing apparatus

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Description

FIG. 1 is a perspective view of a mixing apparatus for surgical bone cement or the like showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a bottom plan view thereof, the inner mixing bowl has been omitted for ease of illustration;

FIG. 6 is a top perspective view of an inner mixing bowl shown separately for clarity of illustration.

Referenced Cited
U.S. Patent Documents
184894 November 1876 Parks
D228222 August 1973 Mantelet
235505 December 1880 Buck
D254325 February 26, 1980 Goodrich et al.
D258085 January 27, 1981 Porteous
D263713 April 6, 1982 Baer
D268638 April 19, 1983 Bounds
640369 January 1900 Cross
2453914 November 1948 Hollenback
2696022 December 1954 Steinbock et al.
2777177 January 1957 Steinbock et al.
2973187 February 1961 Wehmer
3358971 December 1967 Steinbock
3391788 July 1968 Strandberg, Jr. et al.
3640510 February 1972 Lea
3738619 June 1973 Shirae
4015945 April 5, 1977 Frankel et al.
4071338 January 31, 1978 Hutter, III et al.
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Foreign Patent Documents
1008837 May 1952 FRX
Other references
  • Stryker.RTM. Brochure-MixEvac.RTM. Cement Mixer, .COPYRGT.Aug. 1978. DePuy Brochure-Vacu-mix.RTM. Orthopedic Cement Mixing System. Zimmer.RTM. Catalog p. #A212-Monomer Fume Evacuating System Product Nos. 5049-9/13, 1981 Catalog. Howmedica.RTM. Brochure-Howmedica.RTM. Mix-Kit I.TM. and Howmedica.RTM. Mix-Kit II.TM. Bone Cement Mixing System, .COPYRGT.1980.
Patent History
Patent number: D279499
Type: Grant
Filed: Feb 18, 1983
Date of Patent: Jul 2, 1985
Assignee: Zimmer, Inc. (Warsaw, IN)
Inventor: Kirt L. Case (Warsaw, IN)
Primary Examiner: Bernard Ansher
Assistant Examiner: Linda Titolo
Attorney: Margaret L. Geringer
Application Number: 6/467,704
Classifications
Current U.S. Class: D24/22; D/7376