In reference to the patent: US 4,678,702 A What were improvements made to this patent later on?
I have an independent claim in my application for software patent that could be rejected on grounds like "abstract idea". There are a few dependent claims with limitations that hopefully pass the bar. ...
How to determine total vertical stress sigma V due to weight of overburden rock, and minor horizontal total stress sigma hmin from density log.
What does a published PCT number mean exactly? (Of the form PCT/IB2011/nnnnnn). Does it grant any legal/intellectual rights in any way? Does it have any effect in this regard that a WO2013nnnnnnA1 ...