Solicitação de exame técnico
#4.1
01/27/1987
RPI 849
Application data
Number
PI8402316Type
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: 01/27/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
R. G. (pessoa física)
US
IPC Classification
Priority claims
US
495.175 · 05/17/1983
US
599.669 · 04/12/1984
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