Patent
   D401538
Priority
Mar 25 1997
Filed
Mar 25 1997
Issued
Nov 24 1998
Expiry
Nov 24 2012
Assg.orig
Entity
unknown
2
5
n/a
The ornamental design for a chainless transmission unit of a bicycle, as shown and described.

FIG. 1 is a perspective view of a chainless transmission unit of a bicycle showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

Chang, Chen-Ching

Patent Priority Assignee Title
6986520, Nov 08 2002 Shaft driven bicycle and transmission therefor
D686113, Nov 21 2012 GOODMAN TAICANG MACHINERY CO , LTD Transmission device for chainless bicycle
Patent Priority Assignee Title
4846489, Dec 31 1985 Ernest Kleinebenne Pedal-driven vehicle
5078025, Oct 29 1990 Direct transmission system for a bicycle
5088340, Mar 27 1991 ALENAX CORPORATION Multipurpose transmission mechanism for bicycles
5426997, Jun 28 1993 Bicycle chain drive assembly
5653150, Sep 08 1994 SUTULA, DANIEL P Pedalling device with suspension for cycles
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule