Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8401245Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
B. R. (pessoa física)
US
Inventors
B. R. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
#13.1
08/01/1989
RPI 980
#9.1
04/04/1989
RPI 963
#15.11
09/27/1988
RPI 936
#6.1
08/30/1988
RPI 932
#3.1
10/29/1985
RPI 784
#2.1
05/29/1984
RPI 710
#21.1
Patente extinta em 19/03/99
07/08/2008
RPI 1957
Same category
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