Official data from INPI

COMPOSICAO DE FLUIDO HIDRAULICO

Em AnáliseInvention Patent

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Application data

Number

PI7703460

Type

Invention Patent

Filing

05/28/1976

Publication

View on INPI

Progress at the INPI

Filing05/28/76
Publication
Examination
Allowance07/13/82
Grant10/30/84
Terminated12/15/87

The patent was granted on 10/30/1984 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SANYO CHEMICAL IND LTD

Inventors

K. K. (pessoa física)

S. T. (pessoa física)

Technical data

IPC Classification

C10M 3/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

200

07/23/1985

RPI 770

Pedido de licença voluntária

#17.1

02/20/1985

RPI 748

Concessão da patente

#16.1

10/30/1984

RPI 732

110

07/24/1984

RPI 718

Recurso

#12.1

11/16/1982

RPI 630

Deferimento

#9.1

07/13/1982

RPI 612

15.0

01/12/1982

RPI 586

Exigência - art. 36 da LPI

#6.1

11/17/1981

RPI 578

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