Publicação do pedido de patente
#3.1
09/26/1989
RPI 988
Application data
Number
PI8900379Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
N-Viro Energy Systems Ltd
US
Inventors
J. B. (pessoa física)
US
J. N. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
09/26/1989
RPI 988
#2.1
03/21/1989
RPI 961
#21.1
Patente extinta em 30/01/2004
12/15/2009
RPI 2032
#16.1
08/29/1995
RPI 1291
#13.1
05/09/1995
RPI 1275
#9.1
12/20/1994
RPI 1255
#4.1
04/09/1991
RPI 1062
From the same holder
Same category
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