Solicitação de exame técnico
#4.1
09/29/1987
RPI 884
The patent was granted on 11/27/1990 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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
SP, BR
R. B. (pessoa física)
SP, BR
Inventors
A. I. (pessoa física)
BR
R. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/29/1987
RPI 884
#3.2
06/23/1987
RPI 870
#2.1
05/12/1987
RPI 864
#18.2
10/31/1995
RPI 1300
#16.1
11/27/1990
RPI 1043
#13.1
08/21/1990
RPI 1029
#9.1
05/15/1990
RPI 1018
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.