Publicação do pedido de patente
#3.1
10/03/1989
RPI 989
Application data
Number
PI8900499Type
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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
Cameron Iron Works Usa, Inc
US
Inventors
D. J. (pessoa física)
US
J. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/03/1989
RPI 989
#2.1
03/21/1989
RPI 961
#21.1
Patente extinta em 03/02/2004
12/15/2009
RPI 2032
#16.1
08/30/1994
RPI 1239
#13.1
05/31/1994
RPI 1226
#9.1
02/08/1994
RPI 1210
#4.1
11/12/1991
RPI 1093
From the same holder
Same category
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