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Official data from INPI

COMBUSTÍVEL DESTILADO CONTENDO CERA, E PROCESSO PARA APERFEIÇOAR A OPERAÇÃO DE MOTORES DIESEL DE BAIXA TEMPERATURA

PublicadaInvention Patent

Application data

Number

PI8704929

Type

Invention Patent

Filing

09/24/1987

Publication

05/17/1988

Progress at the INPI

  1. Filing09/24/87
  2. Publication05/17/88
  3. Examination11/13/90
  4. Allowance01/09/96
  5. Abandoned
  6. In force

The application was allowed on 01/09/1996 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents Inc

US

See this company's full portfolio

Inventors

K. L. (pessoa física)

GB

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C10L 1/18; C10L 1/22; C10L 1/24; C07C 143/00.

03/27/2018

RPI 2464

Arquivamento - Art. 38 §2° da LPI

#11.4

01/27/1998

RPI 1414

Notificação para pagamento de retribuição

#13.1

07/02/1996

RPI 1335

Deferimento

#9.1

01/09/1996

RPI 1310

Exigência - art. 36 da LPI

#6.1

09/13/1994

RPI 1241

Solicitação de exame técnico

#4.1

11/13/1990

RPI 1041

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