Concessão da patente
#16.1
12/30/1986
RPI 845
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Application data
Number
PI8004528Type
Invention Patent
Filing
07/21/1980
Publication
03/16/1982
Progress at the INPI
- Filing07/21/80
- Publication03/16/82
- Examination04/03/84
- Allowance04/08/86
- Grant12/30/86
- Expired09/19/95
The letters patent expired on 09/19/1995: 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: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Goslarer Farbenwerke e Hans Heubach GmbH & Co. Kg.
DE
Inventors
H. D. (pessoa física)
H. R. (pessoa física)
M. R. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
08/12/1986
RPI 825
Deferimento
#9.1
04/08/1986
RPI 807
14.4
05/07/1985
RPI 759
Exigência - art. 36 da LPI
#6.1
10/23/1984
RPI 731
Solicitação de exame técnico
#4.1
04/03/1984
RPI 702
Publicação do pedido de patente
#3.1
03/16/1982
RPI 595
Carta-patente expirada
#21.1
09/19/1995
RPI 1294
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