Pedido de patente depositado
#2.1
11/21/1989
RPI 996
Application data
Number
PI8903935Type
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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
D. C. (pessoa física)
US
R. O. (pessoa física)
US
V. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/21/1989
RPI 996
#21.1
Patente extinta em 04/08/2009
05/21/2013
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