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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8104805

Type

Invention Patent

Filing

07/27/1981

Publication

12/22/1981

Progress at the INPI

  1. Filing07/27/81
  2. Publication12/22/81
  3. Examination03/09/82
  4. Allowance01/03/84
  5. Grant06/26/84
  6. Expired11/12/96

The letters patent expired on 11/12/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 01/22/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fanem Ltda.

SP, BR

See this company's full portfolio

Inventors

L. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

01/22/1985

RPI 744

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/24/1984

RPI 705

5.2

01/24/1984

RPI 692

Deferimento

#9.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Publicação antecipada

#3.2

12/22/1981

RPI 583

Carta-patente expirada

#21.1

11/12/1996

RPI 1354

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