The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 2008
Filed:
Jun. 21, 2005
Applicant:
Colin Keith Howley, Stonehouse, GB;
Inventor:
Colin Keith Howley, Stonehouse, GB;
Assignee:
Renishaw PLC, Gloucestershire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/02 (2006.01); G01B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A scale for a scale reading apparatus has a scale track with scale marks which form an incremental scale. The scale also has a set of reference marks. The scale has at least one additional track and different combinations of markers in the at least one additional track have different functions, for example reference mark enablers and right and left limit switches.