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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8006480

Type

Invention Patent

Filing

10/08/1980

Publication

-

Progress at the INPI

  1. Filing10/08/80
  2. Publication
  3. Examination08/10/82
  4. Allowance07/19/83
  5. Grant01/31/84
  6. Expired11/14/95

The letters patent expired on 11/14/1995: 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: 01/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nukem GmbH

DE

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Inventors

P. H. (pessoa física)

S. E. (pessoa física)

V. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Exigência - art. 36 da LPI

#6.1

02/16/1983

RPI 643

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

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