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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8004147

Type

Invention Patent

Filing

07/03/1980

Publication

-

Progress at the INPI

  1. Filing07/03/80
  2. Publication
  3. Examination
  4. Allowance12/20/83
  5. Grant07/31/84
  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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. A. (pessoa física)

RS, BR

See this company's full portfolio

Inventors

B. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

04/30/1985

RPI 758

Pedido de licença voluntária

#17.1

12/26/1984

RPI 740

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Conhecimento de parecer técnico

#7.1

04/19/1983

RPI 652

Exigência - art. 36 da LPI

#6.1

08/31/1982

RPI 619

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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