Concessão da patente
#16.1
12/27/1988
RPI 949
Application data
Number
PI8402776Type
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: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants
KNOGO CORP [US]
Inventors
C. N. (pessoa física)
P. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1988
RPI 949
08/16/1988
RPI 930
#13.1
06/07/1988
RPI 920
#9.1
02/09/1988
RPI 903
#4.1
04/14/1987
RPI 860
#3.1
05/14/1985
RPI 760
#2.1
08/14/1984
RPI 721
#21.1
Patente extinta em 08/06/99
08/19/2008
RPI 1963
From the same holder
Same category
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