Official data from INPI

APARELHO GRANULADOR

Em AnáliseInvention Patent

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Application data

Number

PI8105392

Type

Invention Patent

Filing

08/24/1981

Publication

03/29/1983

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Progress at the INPI

Filing08/24/81
Publication03/29/83
Examination08/23/83
Allowance05/14/85
Grant11/26/85
Terminated07/12/88

The patent was granted on 11/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HITACHI SHIPBUILDING & ENGENEE [JP]

Inventors

H. K. (pessoa física)

O. E. (pessoa física)

Y. N. (pessoa física)

Technical data

IPC Classification

B03B 5/02 B03B 5/28 B03B 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Republicação - classificação IPC

#15.11

06/18/1985

RPI 765

Deferimento

#9.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

10/16/1984

RPI 730

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Publicação do pedido de patente

#3.1