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Results tagged with pre-grant
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user 3454
Related to procedures between the patent holder and the patent offices, opposing a patent before grant and similar questions. (The only way to do that is a Third Party Observation (TPO), so please include that tag if your question is about opposing a patent application.)
2
votes
CALL FOR PRIOR ART: 3D Printing application "Ribbon Filament and Assembly for Use in Extrusi...
The process of plastic welding (quite related to 3D printing) has used plastic welding
ribbon that is a flat tape for many years.
The companies from NZ have used it longest. Here's a web site for …
prior-art-request
1
vote
CALL FOR PRIOR ART: 3D Printing application "Ribbon Filament and Assembly for Use in Extrusi...
How about this video?
For the ribbon extrusion, one may point out that plastic welding has used
non-round or ribbon shaped materials for many years (see this video from 2010: http://www.youtube.com/ …
2
votes
CALL FOR PRIOR ART: 3D Printing application "Process for Producing Three-dimensionally Shape...
For the plastic sintering, one might argue that plastics and metals have similar
oxidation issues. The creation of either a vaccuum or inert atmosphere for selective metal sintering is a must and i …
1
vote
CALL FOR PRIOR ART: 3D Printing application "Additive Manufacturing System and Method for Pr...
The Fab@Home group had a Wiki which had pictures dated in the range of Spring 2007. The
Wiki is gone. Perhaps someone could contact the Fab@home group and ask.