Concessão da patente
#16.1
03/28/1989
RPI 962
The letters patent expired on 12/07/1993: 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: 03/28/1989. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/28/1989
RPI 962
#13.1
08/30/1988
RPI 932
07/05/1988
RPI 924
04/19/1988
RPI 913
08/04/1987
RPI 876
#12.2
05/19/1987
RPI 865
#15.6
03/17/1987
RPI 856
#15.1
11/25/1986
RPI 840
03/11/1986
RPI 803
#9.2
11/05/1985
RPI 785
#4.1
02/26/1985
RPI 749
#3.1
03/13/1984
RPI 699
#2.1
09/14/1982
RPI 621
#21.1
12/07/1993
RPI 1201
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.