Notificação para pagamento de retribuição
#13.1
02/21/1989
RPI 957
Application data
Number
PI8205425Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Amchem Products, Inc.
US
AMCHEM PRODUCTS, INC.
Inventors
J. D. (pessoa física)
US
IPC Classification
Priority claims
US
303,236 · 09/17/1981
US
410,566 · 08/26/1982
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