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Official data from INPI

ÓLEO LUBRIFICANTE HIDRO-CRAQUEADO, ESTABILIZADO À LUZ; PROCESSO DE INIBIÇÃO DE UM ÓLEO LUBRIFICANTE HIDRO-CRAQUEADO.

Em AnáliseInvention Patent

Application data

Number

PI8107239

Type

Invention Patent

Filing

11/09/1981

Publication

07/27/1982

Progress at the INPI

  1. Filing11/09/81
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was filed at the INPI on 11/09/1981. It awaits formal examination and publication in the RPI gazette.

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Latest action published by the INPI: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atlantic Richfield Company

US

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Inventors

H. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

210.427 · 11/25/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

03/01/1988

RPI 906

Pedido de certificado de adição de invenção

#5.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

08/14/1984

RPI 721

Publicação do pedido de patente

#3.1

07/27/1982

RPI 614

Pedido de patente depositado

#2.1

12/22/1981

RPI 583

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C10M 1/20.

03/27/2018

RPI 2464

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