Concessão da patente
#16.1
08/29/1989
RPI 984
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Official data from INPI
COMPOSICAO DE VIDRO DE LABORATORIO,TIPO I,CLASSE B,ISENTA DE BARIO
ConcedidaInvention Patent
Application data
Number
PI8301855Type
Invention Patent
Filing
04/12/1983
Publication
11/20/1984
Progress at the INPI
- Filing04/12/83
- Publication11/20/84
- Examination02/20/85
- Allowance02/09/88
- Grant08/29/89
- Expired07/01/08
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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Owens_ Illinois, Inc
US
Inventors
M. S. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
110
02/28/1989
RPI 958
Recurso
#12.1
05/17/1988
RPI 917
Deferimento
#9.1
02/09/1988
RPI 903
Conhecimento de parecer técnico
#7.1
02/18/1986
RPI 800
Solicitação de exame técnico
#4.1
02/20/1985
RPI 748
Publicação do pedido de patente
#3.1
11/20/1984
RPI 735
Pedido de patente depositado
#2.1
05/24/1983
RPI 657
Republicação - classificação IPC
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C03C 3/04; C03C 3/30.
03/27/2018
RPI 2464
Carta-patente expirada
#21.1
Patente extinta em 12/04/98
07/01/2008
RPI 1956
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