Cessão de direito de exploração
#22.1
04/02/1985
RPI 754
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: 04/02/1985. We update with every new RPI gazette, published weekly.
Applicants
G. F. (pessoa física)
Inventors
D. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
04/02/1985
RPI 754
#16.1
09/27/1983
RPI 675
#13.1
06/07/1983
RPI 659
#9.1
02/08/1983
RPI 642
10/05/1982
RPI 624
#21.1
07/13/1993
RPI 1180
Same category
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