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:
Nov. 18, 2014
Filed:
Oct. 28, 2010
Neil Richard Potter, Royston, GB;
Boris Rabinovich, Sudbury, MA (US);
Asaf Amit, Kefar-Vitkin, IL;
Parametric Technology Corporation, Needham, MA (US);
Abstract
Computer-aided design (CAD) concurrent design management includes a common data model, comprising chapters of different information items to describe various aspects of the CAD model, and lightweight change instructions representative of modifications made by a user to a chapter of the CAD model. By utilizing a common data model and difference-based change instructions, a plurality of users may concurrently collaborate on the design of a CAD model, or a single user may utilize a plurality of applications of a CAD suite efficiently and with an enhanced user experience. Furthermore, the system may manage undo stacks across a plurality of applications concurrently operating on the same shared CAD model, such that the user experiences seamless operation of the plurality of applications.