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Official data from INPI

PROCESSO PARA LIMPAR GASES QUE CONTÊM COMPONENTES CONDENSÁVEIS

Em AnáliseInvention Patent

Application data

Number

PI8507243

Type

Invention Patent

Filing

08/30/1985

Publication

10/27/1987

Progress at the INPI

  1. Filing08/30/85
  2. Publication10/27/87
  3. Examination04/05/88
  4. Allowance04/30/91
  5. Grant12/31/91
  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: 08/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Foster Wheeler Energia OY

FI

See this company's full portfolio

Inventors

S. R. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

843.606 · 09/14/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

08/09/1988

RPI 929

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Notificação de entrada na fase nacional - PCT

#1.3

10/27/1987

RPI 888

Carta-patente expirada

#21.1

Patente extinta em 30/08/2000

07/15/2008

RPI 1958

Transferência deferida

#25.1

12/30/1997

RPI 1410

Concessão da patente

#16.1

12/31/1991

RPI 1100

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

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