Concessão da patente
#16.1
02/28/1989
RPI 958
The letters patent expired on 06/06/1995: 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
BOLLHOFF IND LTDA [BR]
Inventors
B. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1989
RPI 958
#13.1
08/09/1988
RPI 929
#9.1
04/26/1988
RPI 914
#4.1
08/18/1987
RPI 878
#3.1
06/16/1987
RPI 869
03/17/1987
RPI 856
03/10/1987
RPI 855
#2.1
08/13/1985
RPI 773
#21.1
06/06/1995
RPI 1279
05/15/1990
RPI 1018
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.