Carta-patente expirada
#21.1
Patente extinta em 28/11/2003
09/02/2008
RPI 1965
Application data
Number
PI8807872Type
Filing
Publication
PCT
US1988004227 The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.
Applicants
Marathon Oil Company
US
Inventors
R. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 28/11/2003
09/02/2008
RPI 1965
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