Publicação do pedido de patente
#3.1
07/11/1989
RPI 977
The letters patent expired on 09/18/2001: 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
No applicants.
Inventors
A. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
07/11/1989
RPI 977
#2.1
03/08/1988
RPI 907
#21.1
Patente extinta em 30/11/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
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RPI 1261
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