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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8004682

Type

Invention Patent

Filing

07/25/1980

Publication

04/26/1983

Progress at the INPI

  1. Filing07/25/80
  2. Publication04/26/83
  3. Examination09/20/83
  4. Allowance01/02/85
  5. Grant06/25/85
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hispano-Suiza

FR

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Inventors

D. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

Exigência - art. 36 da LPI

#6.1

04/17/1984

RPI 704

Solicitação de exame técnico

#4.1

09/20/1983

RPI 674

Publicação do pedido de patente

#3.1

04/26/1983

RPI 653

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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