Concessão da patente
#16.1
08/25/1987
RPI 879
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Official data from INPI
VIDRO DE JANELA OU DE PORTA COM UM DISPOSITIVO DE ESCURECIMENTO
ConcedidaInvention Patent
Application data
Number
PI8206262Type
Invention Patent
Filing
10/28/1981
Publication
09/20/1983
Progress at the INPI
- Filing10/28/81
- Publication09/20/83
- Examination01/10/84
- Allowance02/17/87
- Grant08/25/87
- Expired08/19/08
The letters patent expired on 08/19/2008: 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: 08/25/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
SCHUERMANN & CO HEINZ [DE]
Inventors
T. A. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de licença compulsória
#20.1
06/16/1987
RPI 869
20.10
06/16/1987
RPI 869
20.7
05/05/1987
RPI 863
Deferimento
#9.1
02/17/1987
RPI 852
Conhecimento de parecer técnico
#7.1
04/22/1986
RPI 809
Republicação - classificação IPC
#15.11
08/13/1985
RPI 773
6.2
04/09/1985
RPI 755
Solicitação de exame técnico
#4.1
01/10/1984
RPI 690
Publicação do pedido de patente
#3.1
09/20/1983
RPI 674
Pedido de patente depositado
#2.1
12/21/1982
RPI 635
Carta-patente expirada
#21.1
Patente extinta em 27/10/97
08/19/2008
RPI 1963
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