20.7
09/02/1986
RPI 828
The patent was granted and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 09/02/1986. We update with every new RPI gazette, published weekly.
Applicants
DART IND INC
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
09/02/1986
RPI 828
#13.1
06/22/1982
RPI 609
#9.1
03/02/1982
RPI 593
#18.2
09/18/1990
RPI 1033
From the same holder
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