Concessão da patente
#16.1
10/29/1985
RPI 784
Application data
Number
PI8205678Type
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: 10/29/1985. We update with every new RPI gazette, published weekly.
Applicants
Perkrom Construções , Industria e Comercio Ltda
SP, BR
Inventors
L. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/29/1985
RPI 784
#13.1
08/27/1985
RPI 775
#9.1
05/07/1985
RPI 759
#4.1
04/05/1983
RPI 650
#3.2
12/14/1982
RPI 634
#2.1
11/23/1982
RPI 631
#21.1
Patente extinta em 29/09/97
07/01/2008
RPI 1956
Same category
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