Concessão da patente
#16.1
06/28/1988
RPI 923
Application data
Number
PI8100582Type
Filing
Publication
The letters patent expired on 03/19/1996: 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
B. N. (pessoa física)
SP, BR
Inventors
B. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1988
RPI 923
#13.1
03/01/1988
RPI 906
#9.1
10/27/1987
RPI 888
#6.1
05/19/1987
RPI 865
#6.1
08/05/1986
RPI 824
#6.1
05/14/1985
RPI 760
#4.1
12/04/1984
RPI 737
#3.1
09/28/1982
RPI 623
#21.1
03/19/1996
RPI 1320
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.