Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Grooved piston
D621036 Grooved piston
Patent Drawings:Drawing: D621036-2    
« 1 »

(1 images)

Inventor: Maxa, et al.
Date Issued: August 3, 2010
Application: D/341,355
Filed: August 4, 2009
Inventors: Maxa; Steven J. (Burnsville, MN)
Cernohous; Adam J. (River Falls, WI)
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Primary Examiner: Nelson; T. Chase
Assistant Examiner: Goodman; Eric L
Attorney Or Agent: Soo; Philip P.
U.S. Class: D24/130
Field Of Search: D24/112; D24/114; D24/127; D24/128; D24/129; D24/130; 206/363; 206/364; 206/367; 604/54; 604/110; 604/192; 604/263; 604/295
International Class: 2402
U.S Patent Documents:
Foreign Patent Documents: 1475430
Other References:









Abstract:
Claim: CLAIM The ornamental design for a grooved piston, as shown and described.
Description: FIG. 1 is a perspective view of a top perspective view showing the new design for a grooved piston;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The portions of the grooved piston shown in broken lines form no part of the claimed design.

* * * * *
 
 
  Recently Added Patents
Automatic adjustment of devices in a home entertainment system
Method and device for surface scanning of a patient
Side portion of a circular saw blade
Antenna device
Data distribution apparatus, data distribution method, and distribution control program
Scalable header extension
Method and apparatus for connecting to external device
  Randomly Featured Patents
Bottle
Adiabatic logic
Process for preparing a polycrystalline diamond body
Differentiation and identification of analogous chemical or biological substances with biosensors
Transition metal complex catalyzed processes
Light emission device
Low voltage rail-to-rail CMOS output stage
Method for reducing electrical discharge in a microwave circuit, and a microwave circuit treated by the method
Device for indicating a restaurant patron's status
System and method for device registration replication in a communication network