Exigência - art. 36 da LPI
#6.1
09/19/1989
RPI 987
Application data
Number
PI8407234Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/19/1989. We update with every new RPI gazette, published weekly.
Applicants
Praxair Technology, Inc.
US
Inventors
J. M. (pessoa física)
US
J. S. (pessoa física)
US
R. P. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
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09/19/1989
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11/26/1985
RPI 788
#21.1
Patente extinta em 13/07/99
07/08/2008
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10/25/1994
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10/18/1994
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09/24/1991
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