Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902329Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Hermann Wangner GmbH & Co KG
DE
Itelpa Indústria e Comércio Ltda
SP, BR
Inventors
D. A. (pessoa física)
DE
G. B. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 38 17 144.9 · 05/19/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 18/05/2004
12/22/2009
RPI 2033
#16.1
02/25/1997
RPI 1369
11/12/1996
RPI 1354
11/05/1996
RPI 1353
#13.1
06/18/1996
RPI 1333
01/30/1996
RPI 1313
#12.1
12/20/1994
RPI 1255
#12.1
11/29/1994
RPI 1252
#9.1
08/30/1994
RPI 1239
#4.1
09/25/1990
RPI 1034
06/26/1990
RPI 1024
#3.1
01/09/1990
RPI 1001
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.