Deferimento
#9.1
10/03/1989
RPI 989
Application data
Number
PI8600210Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
The Air Preheater Company, Inc.
US
Inventors
K. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
10/03/1989
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Patente extinta em 21/01/2001
07/22/2008
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