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Official data from INPI

SEM TITULO

Concessão AnuladaInvention Patent

Application data

Number

PI8007033

Type

Invention Patent

Filing

10/22/1980

Publication

-

Progress at the INPI

  1. Filing10/22/80
  2. Publication
  3. Examination09/28/82
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Expired11/21/95

The letters patent expired on 11/21/1995: 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: 06/19/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Luossavaara-Kiirunavaara AB.

SE

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Inventors

F. H. (pessoa física)

H. W. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.4

06/19/1984

RPI 713

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Exigência - art. 36 da LPI

#6.1

04/12/1983

RPI 651

Solicitação de exame técnico

#4.1

09/28/1982

RPI 623

Carta-patente expirada

#21.1

11/21/1995

RPI 1303

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