20.4
11/10/1987
RPI 890
The patent was granted on 12/27/1983 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: 11/10/1987. We update with every new RPI gazette, published weekly.
Applicants
A. E. (pessoa física)
Inventors
P. S. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
11/10/1987
RPI 890
03/20/1984
RPI 700
#16.1
12/27/1983
RPI 688
#13.1
11/08/1983
RPI 681
#9.1
07/12/1983
RPI 664
#6.1
01/11/1983
RPI 638
#6.1
07/13/1982
RPI 612
#4.1
01/05/1982
RPI 585
#18.2
09/25/1990
RPI 1034
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.