Concessão da patente
#16.1
07/28/1987
RPI 875
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Official data from INPI
PROCESSO PARA PREPARAR PARTÍCULAS DE MODIFICADOR DE IMPACTO COAGULADAS ESCOÁVEIS EM MASSA E RESPECTIVAS PARTÍCULAS
ConcedidaInvention Patent
Application data
Number
PI8203207Type
Invention Patent
Filing
07/01/1982
Publication
05/17/1983
Progress at the INPI
- Filing07/01/82
- Publication05/17/83
- Examination04/23/85
- Allowance12/16/86
- Grant07/28/87
- Terminated11/29/94
The patent was granted on 07/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 07/28/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Rohn And Hass Company
US
Inventors
A. M. (pessoa física)
US
I. R. (pessoa física)
FR
R. G. (pessoa física)
US
W. W. (pessoa física)
US
Technical data
IPC Classification
Priority claims
US
269.116 · 06/02/1981
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
05/05/1987
RPI 863
Deferimento
#9.1
12/16/1986
RPI 843
Exigência - art. 36 da LPI
#6.1
01/14/1986
RPI 795
Solicitação de exame técnico
#4.1
04/23/1985
RPI 757
Publicação do pedido de patente
#3.1
05/17/1983
RPI 656
Pedido de patente depositado
#2.1
07/20/1982
RPI 613
Anuidade - prazo legal encerrado
#18.2
11/29/1994
RPI 1252
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