Cessão de direito de exploração
#22.1
04/15/1986
RPI 808
The letters patent expired on 07/13/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 04/15/1986. We update with every new RPI gazette, published weekly.
Applicants
E. A. (pessoa física)
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
04/15/1986
RPI 808
#13.1
06/08/1982
RPI 607
#9.1
02/16/1982
RPI 591
#21.1
07/13/1993
RPI 1180
From the same holder
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