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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8302911

Type

Invention Patent

Filing

06/01/1983

Publication

10/04/1983

Progress at the INPI

  1. Filing06/01/83
  2. Publication10/04/83
  3. Examination09/25/84
  4. Allowance08/13/85
  5. Grant07/29/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 01/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Incomaf S/A Indústria e Comércio

SP, BR

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Inventors

B. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.8

01/12/1988

RPI 899

Licença compulsória (variante)

#20.2

09/15/1987

RPI 882

Anuidade - prazo legal encerrado

#18.2

06/30/1987

RPI 871

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

12/17/1985

RPI 791

Deferimento

#9.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

09/25/1984

RPI 727

Publicação antecipada

#3.2

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

07/19/1983

RPI 665

Carta-patente expirada

#21.1

Patente extinta em 01/06/98

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

03/30/1993

RPI 1165

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