18.4
08/11/1987
RPI 877
The letters patent expired on 07/20/1993: 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: 08/11/1987. We update with every new RPI gazette, published weekly.
Applicants
PREFORMED LINE PRODUCTS CO
Inventors
S. D. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
08/11/1987
RPI 877
03/17/1987
RPI 856
04/01/1986
RPI 806
12/10/1985
RPI 790
05/10/1983
RPI 655
#17.1
12/14/1982
RPI 634
#21.1
07/20/1993
RPI 1181
From the same holder
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