Ear plug
Description
FIG. 1 is a perspective view of an ear plug showing my new design;
FIG. 2 is a side elevational view thereof, with all other side elevational views being identical thereto;
FIG. 3 is an end elevational view thereof, the opposite end elevational view being identical thereto;
FIG. 4 is a side elevational view of a second embodiment of an earplug showing my design; and,
FIG. 5 is a side elevational view of a third embodiment of an earplug showing my design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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- Santoprene Monsanto Elastomers brochure (TPE74-01) prior art. Shell Chemical Company Technical Bulletin SC:1032-88, KRATON Theromplastic Rubber Medical Products (May 1988). Provisional Technical Bulletin for KRATON G-2706, GLS Plastics (Aug. 1989).
Patent History
Patent number: D366313
Type: Grant
Filed: Jul 21, 1994
Date of Patent: Jan 16, 1996
Inventor: Ward B. Krause (Spotsylvania, VA)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: I. Simmons
Law Firm: Banner & Allegretti, Ltd.
Application Number: 0/26,203
Type: Grant
Filed: Jul 21, 1994
Date of Patent: Jan 16, 1996
Inventor: Ward B. Krause (Spotsylvania, VA)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: I. Simmons
Law Firm: Banner & Allegretti, Ltd.
Application Number: 0/26,203
Classifications
Current U.S. Class:
Ear Plug Or Nose Clip (D24/106)