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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8101094

Type

Invention Patent

Filing

02/23/1981

Publication

10/19/1982

Progress at the INPI

  1. Filing02/23/81
  2. Publication10/19/82
  3. Examination03/22/83
  4. Allowance10/27/87
  5. Grant05/31/88
  6. Expired03/26/96

The letters patent expired on 03/26/1996: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Peroxidos do Brasil Ltda.

SP, BR

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Inventors

A. J. (pessoa física)

A. (pessoa física)

E. N. (pessoa física)

J. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Solicitação de exame técnico

#4.1

03/22/1983

RPI 648

Publicação do pedido de patente

#3.1

10/19/1982

RPI 626

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

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