Pedido de patente depositado
#2.1
11/28/1989
RPI 997
Application data
Number
PI8904018Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Rheem Empreendimentos Industriais e Comerciais S/A
RJ, BR
Inventors
J. P. (pessoa física)
BR
M. A. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/28/1989
RPI 997
#21.1
Patente extinta em 03/08/2004
12/22/2009
RPI 2033
#16.1
03/25/1997
RPI 1373
#13.1
06/18/1996
RPI 1333
#9.1
11/21/1995
RPI 1303
#4.1
10/08/1991
RPI 1088
#3.1
02/05/1991
RPI 1053
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