Concessão da patente
#16.1
05/28/1985
RPI 762
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Application data
Number
PI8102616Type
Invention Patent
Filing
04/29/1981
Publication
01/19/1982
Progress at the INPI
- Filing04/29/81
- Publication01/19/82
- Examination06/29/82
- Allowance10/30/84
- Grant05/28/85
- Expired10/01/96
The letters patent expired on 10/01/1996: 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: 05/28/1985. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
K. H. (pessoa física)
DE
Inventors
M. W. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
03/05/1985
RPI 750
Deferimento
#9.1
10/30/1984
RPI 732
Exigência - art. 36 da LPI
#6.1
05/29/1984
RPI 710
Solicitação de exame técnico
#4.1
06/29/1982
RPI 610
Publicação do pedido de patente
#3.1
01/19/1982
RPI 587
Carta-patente expirada
#21.1
10/01/1996
RPI 1348
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