Pedido de patente depositado
#2.1
11/28/1989
RPI 997
Application data
Number
PI8904512Type
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
Spirax Sarco Indústria e Comércio Ltda
SP, BR
S. A. (pessoa física)
SP, BR
Inventors
C. B. (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 06/09/2004
12/22/2009
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09/27/1994
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06/01/1993
RPI 1174
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