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Official data from INPI

COMPOSIÇÕES COMBUSTÍVEIS PARA EMPREGO EM MOTORES DE COMBUSTÃO INTERNA

ConcedidaInvention Patent

Application data

Number

PI8300381

Type

Invention Patent

Filing

01/27/1983

Publication

10/25/1983

Progress at the INPI

  1. Filing01/27/83
  2. Publication10/25/83
  3. Examination12/17/85
  4. Allowance03/07/89
  5. Grant09/26/89
  6. Terminated08/29/95

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

See this company's full portfolio

Inventors

C. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

345.299 · 02/03/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

03/07/1989

RPI 959

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

12/17/1985

RPI 791

Republicação - classificação IPC

#15.11

03/07/1984

RPI 698

Publicação do pedido de patente

#3.1

10/25/1983

RPI 679

Pedido de patente depositado

#2.1

03/15/1983

RPI 647

Anuidade - prazo legal encerrado

#18.2

08/29/1995

RPI 1291

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