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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8007010

Type

Invention Patent

Filing

10/30/1980

Publication

07/06/1982

Progress at the INPI

  1. Filing10/30/80
  2. Publication07/06/82
  3. Examination10/13/82
  4. Allowance02/14/84
  5. Grant09/25/84
  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: 05/07/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J.R. Arújo & Cia Ltda.

SP, BR

Inventors

O. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

05/07/1985

RPI 759

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

10/13/1982

RPI 625

Publicação do pedido de patente

#3.1

07/06/1982

RPI 611

Carta-patente expirada

#21.1

11/21/1995

RPI 1303

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