20.4
07/26/1988
RPI 927
The letters patent expired on 12/07/1993: 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Applicants
PEXTRON IND ELETRONICA LTD [BR]
Inventors
G. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/26/1988
RPI 927
#16.1
06/28/1983
RPI 662
#13.1
04/05/1983
RPI 650
#9.1
11/23/1982
RPI 631
#6.1
05/18/1982
RPI 604
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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