Carta-patente expirada
#21.1
Patente extinta em 07/11/2009
05/21/2013
RPI 2211
Application data
Number
PI8907778Type
Filing
Publication
PCT
US1989005011 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
United States Gypsum Company
US
Inventors
M. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 07/11/2009
05/21/2013
RPI 2211
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