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
Scoring users of network based users
Method of manufacturing semiconductor device
Methods and apparatus to determine impressions using distributed demographic information
Method and apparatus for detection of LVDT core fallout condition
Support core for cold shrink tube
Business card assembly
Multi user MIMO detection utilizing averaged spatial whitening
  Randomly Featured Patents
Saber ornamentation
Air ring with circumferentially adjustable air flow
Dual-channel conferencing with connection-based floor control
Method of making a printed circuit board
Method of fabricating a bipolar transistor using selective epitaxially grown SiGe base layer
Motorized seat belt retractor
Fuel injection pump
Multiple position lamp
Adjustable armrest assemblies for chairs
Stable oncolytic formulations