Carta-patente expirada
#21.1
Patente extinta em 15/10/2011
06/11/2013
RPI 2214
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Official data from INPI
MÉTODO PARA PREPARAR PARTÍCULAS DE UM ESMALTE VÍTREO E PROCESSO DE FABRICAÇÃO DE UM CORPO DE ESMALTE VÍTREO
Arquivada/ExtintaInvention Patent
Application data
Number
PI9104522Type
Invention Patent
Filing
10/15/1991
Publication
06/09/1992
Progress at the INPI
- Filing10/15/91
- Publication06/09/92
- Examination07/05/94
- Allowance09/15/98
- Grant02/23/99
- Expired06/11/13
The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Azienda S.R.L.
IT
Glaverbel
BE
Inventors
F. T. (pessoa física)
BE
P. G. (pessoa física)
BE
V. S. (pessoa física)
IT
Technical data
IPC Classification
Priority claims
GB
90 25 501.9 · 11/23/1990
IT
3 700-A/90 · 10/15/1990
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
02/23/1999
RPI 1468
Deferimento
#9.1
09/15/1998
RPI 1447
Exigência - art. 36 da LPI
#6.1
03/03/1998
RPI 1419
Solicitação de exame técnico
#4.1
07/05/1994
RPI 1231
Publicação do pedido de patente
#3.1
06/09/1992
RPI 1123
Pedido de patente depositado
#2.1
11/19/1991
RPI 1094
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