Tracking changes in on-line spreadsheet
US8812625B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2010 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Oct 21, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/329
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer-implemented method for method for tracking changes in an internet-accessible document is disclosed. The method includes providing, with a presentation server system, data for producing a display of a document at a client computing device; receiving, at the presentation server system from a data server system, a timestamp that is sent by the data server system in response to an indication by a user of the client computing device to record changes to the document, wherein the timestamp indicates a time after which changes have been made to the document; and providing from the presentation server system to the data server system data indicating changes made to the document since a time corresponding to the timestamp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.