Concessão da patente
#16.1
05/31/1988
RPI 919
Application data
Number
PI8301556Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
NORTHERN ENG IND [GB]
Inventors
E. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1988
RPI 919
#13.1
01/26/1988
RPI 901
#9.1
09/15/1987
RPI 882
11/18/1986
RPI 839
#4.1
12/03/1985
RPI 789
#3.1
12/06/1983
RPI 685
#2.1
05/10/1983
RPI 655
#21.1
Patente extinta em 25/03/98
08/19/2008
RPI 1963
Same category
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