Solicitação de exame técnico
#4.1
10/04/1988
RPI 937
Application data
Number
PI8700272Type
Filing
Publication
The patent was granted on 04/30/1991 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: 10/04/1988. We update with every new RPI gazette, published weekly.
Applicants
M. I. (pessoa física)
SP, BR
M. I. (pessoa física)
BR
Inventors
M. I. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/04/1988
RPI 937
#3.1
08/02/1988
RPI 928
#2.1
05/26/1987
RPI 866
#18.2
10/17/1995
RPI 1298
#16.1
04/30/1991
RPI 1065
#13.1
11/06/1990
RPI 1040
#9.1
07/24/1990
RPI 1025
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.