Carta-patente expirada
#21.1
Patente extinta em 11/09/2009
05/21/2013
RPI 2211
Application data
Number
PI8904552Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.
Applicants
Praxair Technology, Inc.
US
U. C. (pessoa física)
US
Inventors
B. B. (pessoa física)
US
S. G. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 11/09/2009
05/21/2013
RPI 2211
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11/19/1996
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11/08/1994
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10/22/1991
RPI 1090
#4.1
08/27/1991
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04/24/1990
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03/27/1990
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