Publicação do pedido de patente
#3.1
11/08/1988
RPI 942
Application data
Number
PI8801581Type
Filing
Publication
The letters patent expired on 12/11/2012: 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: 11/08/1988. We update with every new RPI gazette, published weekly.
Applicants
Cryovac, Inc.
US
W.R. Grace & Co.
US
W.R. Grace & Co. - Conn
US
Inventors
W. M. (pessoa física)
US
IPC Classification
Priority claims
US
034.805 · 04/03/1987
US
109.552 · 10/16/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/08/1988
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: B32B 27/32; B32B 31/30.
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