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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8007894

Type

Invention Patent

Filing

12/02/1980

Publication

-

Progress at the INPI

  1. Filing12/02/80
  2. Publication
  3. Examination10/13/81
  4. Allowance12/20/83
  5. Grant09/25/84
  6. Terminated03/12/96

The patent was granted on 09/25/1984 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Man Gutehoffnungshutte Gmbh.

DE

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

04/05/1988

RPI 911

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

10/13/1981

RPI 573

21.5

04/09/1996

RPI 1323

Carta-patente expirada

#21.1

03/12/1996

RPI 1319

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