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Official data from INPI

PROCESSO PARA PREPARAR ESTOQUE-BASE DE ÓLEO LUBRIFICANTE DE ALTA QUALIDADE

Em AnáliseInvention Patent

Application data

Number

PI8305306

Type

Invention Patent

Filing

09/27/1983

Publication

05/08/1984

Progress at the INPI

Under appeal
  1. Filing09/27/83
  2. Publication05/08/84
  3. Examination06/17/86
  4. Refused05/08/90
  5. Grant
  6. In force

The application was refused by the INPI on 05/08/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

S. S. (pessoa física)

T. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

425.842 · 09/28/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

07/18/1989

RPI 978

Pedido de certificado de adição de invenção

#5.1

10/14/1986

RPI 834

Solicitação de exame técnico

#4.1

06/17/1986

RPI 817

Publicação do pedido de patente

#3.1

05/08/1984

RPI 707

Pedido de patente depositado

#2.1

11/29/1983

RPI 684

Republicação - classificação IPC

#15.11

03/05/1991

RPI 1057

Indeferimento

#9.2

05/08/1990

RPI 1017

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