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Official data from INPI

CONVERSÃO DE METANO.

Em AnáliseInvention Patent

Application data

Number

PI8506604

Type

Invention Patent

Filing

04/11/1985

Publication

04/15/1986

Progress at the INPI

  1. Filing04/11/85
  2. Publication04/15/86
  3. Examination10/06/87
  4. Allowance03/02/93
  5. Grant08/31/93
  6. Terminated09/19/95

The patent was granted on 08/31/1993 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: 10/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atlantic Richfield Company

US

See this company's full portfolio

Inventors

C. J. (pessoa física)

US

H. W. (pessoa física)

US

J. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

600.659 · 04/16/1984

US

600.668 · 04/16/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Notificação de entrada na fase nacional - PCT

#1.3

04/15/1986

RPI 808

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

06/15/1993

RPI 1176

Deferimento

#9.1

03/02/1993

RPI 1161

Exigência - art. 36 da LPI

#6.1

11/19/1991

RPI 1094

Exigência - art. 36 da LPI

#6.1

02/26/1991

RPI 1056

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