Notificação para pagamento de retribuição
#13.1
10/03/1989
RPI 989
Application data
Number
PI8400429Type
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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
PPG Industries, Inc.
US
Inventors
C. G. (pessoa física)
US
V. H. (pessoa física)
US
IPC Classification
Priority claims
US
463.194 · 02/02/1983
US
463.195 · 02/02/1983
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