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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8102216

Type

Invention Patent

Filing

04/10/1981

Publication

10/13/1981

Progress at the INPI

  1. Filing04/10/81
  2. Publication10/13/81
  3. Examination03/02/82
  4. Allowance09/25/84
  5. Grant03/26/85
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Labavia-S.G.E.

FR

Inventors

B. P. (pessoa física)

M. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

Publicação do pedido de patente

#3.1

10/13/1981

RPI 573

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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