20.7
03/04/1986
RPI 802
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Application data
Number
PI8006244Type
Invention Patent
Filing
09/29/1980
Publication
06/01/1982
Progress at the INPI
- Filing09/29/80
- Publication06/01/82
- Examination09/28/82
- Allowance02/28/84
- Grant08/28/84
- Expired11/07/95
The letters patent expired on 11/07/1995: 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: 03/04/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
San-O Industrial Co., Ltd.
JP
Inventors
F. A. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
20.4
02/18/1986
RPI 800
Concessão da patente
#16.1
08/28/1984
RPI 723
Notificação para pagamento de retribuição
#13.1
06/12/1984
RPI 712
Deferimento
#9.1
02/28/1984
RPI 697
Exigência - art. 36 da LPI
#6.1
08/30/1983
RPI 671
Solicitação de exame técnico
#4.1
09/28/1982
RPI 623
Publicação do pedido de patente
#3.1
06/01/1982
RPI 606
Carta-patente expirada
#21.1
11/07/1995
RPI 1301
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