06/30/1987
RPI 871
Solicitação de exame técnico
4.1
Invention PatentPI8602829
American Meter Company
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: 06/30/1987. We update with every new RPI gazette, published weekly.
Publications in the Brazilian Industrial Property Gazette (RPI).
06/30/1987
RPI 871
4.1
02/10/1987
RPI 851
3.1
01/06/1987
RPI 846
2.1
07/22/2008
RPI 1959
21.1
Patente extinta em 16/05/2001
04/30/1991
RPI 1065
15.11
03/26/1991
RPI 1060
16.1
12/04/1990
RPI 1044
13.1
08/21/1990
RPI 1029
9.1
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