20.7
08/23/1988
RPI 931
Application data
Number
PI8302032Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/23/1988. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
US
Inventors
D. D. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
08/23/1988
RPI 931
#16.1
05/31/1988
RPI 919
#13.1
01/26/1988
RPI 901
#9.1
09/08/1987
RPI 881
#6.1
03/24/1987
RPI 857
#4.1
04/15/1986
RPI 808
#3.1
12/27/1983
RPI 688
#2.1
06/07/1983
RPI 659
#21.1
Patente extinta em 15/04/98
07/01/2008
RPI 1956
From the same holder
Same category
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