Deferimento
#9.1
07/11/1989
RPI 977
Application data
Number
PI8600979Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 07/11/1989. We update with every new RPI gazette, published weekly.
Applicants
N. L. (pessoa física)
SP, BR
Inventors
N. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
07/11/1989
RPI 977
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01/12/1988
RPI 899
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10/27/1987
RPI 888
#2.1
05/05/1987
RPI 863
#21.1
Patente extinta em 07/03/2001
07/22/2008
RPI 1959
#20.1
06/11/1991
RPI 1071
#16.1
05/29/1990
RPI 1020
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