Pedido de patente depositado
#2.1
05/23/1989
RPI 970
The letters patent expired on 09/25/2001: 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: 05/23/1989. We update with every new RPI gazette, published weekly.
Applicants
Umwelt-Equipamentos de Tecnologia Ambiental e Energéticos Ltda
RS, BR
Umwelt-Equipamentos de Tecnologia Ambiental e Energéticos Ltda.
RS, BR
Inventors
W. K. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/23/1989
RPI 970
#21.1
Patente extinta em 29/12/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
12/27/1994
RPI 1256
#13.1
08/30/1994
RPI 1239
#9.1
05/03/1994
RPI 1222
#6.1
06/01/1993
RPI 1174
#4.1
02/05/1991
RPI 1053
#3.1
08/14/1990
RPI 1028
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