Easy To Use Patents Search & Patent Lawyer Directory

At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.

Search All Patents:

  This Patent May Be For Sale or Lease. Contact Us

  Is This Your Patent? Claim This Patent Now.

Register or Login To Download This Patent As A PDF

United States Patent D322,965
Silverstein ,   et al. January 7, 1992

Computer lower expansion unit


The ornamental design for a computer lower expansion unit, as shown.
Inventors: Silverstein; Steven A. (Lexington, KY), Wang; James P. (Lexington, KY)
Assignee: IBM Corporation (Armonk, NY)
Appl. No.: 07/419,853
Filed: October 11, 1989

Current U.S. Class: D14/367
Field of Search: D14/100,102,103,101,105,108,109 D13/162,184,199 360/97-99,137 361/331,332,380,381,390-395,399,415,426 312/138.1,208

References Cited

U.S. Patent Documents
D249346 September 1978 Chou et al.
D270055 August 1983 Irwin et al.
D287726 January 1987 Itoh et al.
D300323 March 1989 Noda et al.
4134143 January 1979 Ragle et al.
4205355 May 1980 Hamanaka et al.
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Nunn; Freda S.
Attorney, Agent or Firm: Kahler; Mark P.


FIG. 1 is a front elevational view of a computer lower expansion unit showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a top, front, right side perspective view thereof.

* * * * *

File A Patent Application

  • Protect your idea -- Don't let someone else file first. Learn more.

  • 3 Easy Steps -- Complete Form, application Review, and File. See our process.

  • Attorney Review -- Have your application reviewed by a Patent Attorney. See what's included.