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:
Aug. 10, 2010
Filed:
Jul. 30, 2004
Applicants:
Henricus Johannes Maria Meijer, Mercer Island, WA (US);
Wolfram Schulte, Bellevue, WA (US);
Gavin Bierman, Cambridge, GB;
Inventors:
Henricus Johannes Maria Meijer, Mercer Island, WA (US);
Wolfram Schulte, Bellevue, WA (US);
Gavin Bierman, Cambridge, GB;
Assignee:
Microsoft Corporation, Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/20 (2006.01); G06F 15/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A type system that facilitates seamless integration of data access to relational and semi-structured data in an object oriented host language. A data access component includes the type system and corresponding set of syntax constructions that facilitates coercive subtyping and restricts covariance to identity conversions.