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Official data from INPI

COMPOSIÇÃO DE ÓLEO LUBRIFICANTE

ConcedidaInvention Patent

Application data

Number

PI8206165

Type

Invention Patent

Filing

10/22/1982

Publication

09/20/1983

Progress at the INPI

  1. Filing10/22/82
  2. Publication09/20/83
  3. Examination09/03/85
  4. Allowance11/01/88
  5. Grant08/29/89
  6. Terminated04/02/96

The patent was granted on 08/29/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chevron Research Company

US

See this company's full portfolio

Inventors

V. S. (pessoa física)

US

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

110

11/03/1987

RPI 889

Solicitação de exame técnico

#4.1

09/03/1985

RPI 776

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

12/14/1982

RPI 634

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C10M 1/54; C10M 1/26; C10M 3/48; C10M 3/20; C07F 5/05.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

04/02/1996

RPI 1322

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