20.4
02/18/1986
RPI 800
The patent was granted on 05/02/1984 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: 02/18/1986. We update with every new RPI gazette, published weekly.
Applicants
Construtora Barreto Barsotti Ltda
Inventors
B. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
02/18/1986
RPI 800
#13.1
05/02/1984
RPI 706
#16.1
05/02/1984
RPI 706
#9.1
01/24/1984
RPI 692
#4.1
05/10/1983
RPI 655
#3.2
03/15/1983
RPI 647
#2.1
06/29/1982
RPI 610
#18.2
10/30/1990
RPI 1039
Same category
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