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Official data from INPI

CONJUNTO DIRECIONADOR DE UM GÁS E SEU PROCESSO DE FUNCIONAMENTO.

Em AnáliseInvention Patent

Application data

Number

PI8003352

Type

Invention Patent

Filing

05/29/1980

Publication

-

Progress at the INPI

  1. Filing05/29/80
  2. Publication
  3. Examination04/12/83
  4. Allowance08/21/84
  5. Grant02/26/85
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Creusot-Loire

FR

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Inventors

C. J. (pessoa física)

N. G. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79-14583 · 06/07/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

08/26/1986

RPI 827

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Republicação - classificação IPC

#15.11

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

04/12/1983

RPI 651

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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