There are help screens and sample searches for each kind of search. A unique feature is the clickable button linking to similar abstracts. MicroPatent PatentWEB PatentWEB offers free searching of the US Online Gazette and easy browsing of the exemplary drawings. The most recent 4 weeks of US patents can be viewed by US Major Classification for free. Also free is a search of full text of all US patents issued for the current and past week.
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Users have to register and get a free password. Results are returned in HTML format or facsimile where available. Facsimile copies are offered one page at a time through Adobe Acrobat in PDF form. The ordering function is not yet running. The database covers patents back to 1971.