(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO DE CONVERSÃO DE METANO.

Em AnáliseInvention Patent

Application data

Number

PI8506606

Type

Invention Patent

Filing

04/11/1985

Publication

04/15/1986

Progress at the INPI

  1. Filing04/11/85
  2. Publication04/15/86
  3. Examination02/09/88
  4. Allowance02/24/93
  5. Grant08/31/93
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/09/1988. 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

J. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

600.656 · 04/16/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/09/1988

RPI 903

Notificação de entrada na fase nacional - PCT

#1.3

04/15/1986

RPI 808

Carta-patente expirada

#21.1

Patente extinta em 11/04/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

06/08/1993

RPI 1175

Deferimento

#9.1

02/24/1993

RPI 1160

Exigência - art. 36 da LPI

#6.1

11/19/1991

RPI 1094

Exigência - art. 36 da LPI

#6.1

02/26/1991

RPI 1056

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.