(under subclass 200) Subject matter relates to adjustable stands or bases which support ophthalmic diagnostic test instruments for test charts.
(1) Note. Included here are instrument supports with or without test chart holders comprising adjustable head and chin rests for the patient while under eye inspection or treatment.
SEE OR SEARCH THIS CLASS, SUBCLASS:
239+, for test charts or targets with supports.
SEE OR SEARCH CLASS
248, Supports,
121, 127 and 176.1+ for article supporting stands and brackets. 254, Implements or Apparatus for Applying Pushing or Pulling Force,
93, for instrument supports with hydraulic or fluid pressure means.
