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Official data from INPI

GRAXA DE VEDAÇÃO E PROCESSO PARA OBTENÇÃO DA MESMA

Em AnáliseInvention Patent
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Application data

Number

PI8102296

Type

Invention Patent

Filing

04/14/1981

Publication

08/17/1982
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Progress at the INPI

  1. Filing04/14/81
  2. Publication08/17/82
  3. Examination10/04/83
  4. Allowance12/29/87
  5. Grant03/20/90
  6. Terminated08/30/94

The patent was granted on 03/20/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. L. (pessoa física)

RJ, BR

Inventors

R. L. (pessoa física)

BR

Technical data

IPC Classification

C09K 3/10

Priority claims

AR

281.896 · 07/24/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/07/1989

RPI 994

Retificação

#15.6

05/16/1989

RPI 969

Retificação

#15.3

12/13/1988

RPI 947

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

10/04/1983

RPI 676

Publicação do pedido de patente

#3.1

08/17/1982

RPI 617

Anuidade - prazo legal encerrado

#18.2

08/30/1994

RPI 1239

Concessão da patente

#16.1

03/20/1990

RPI 1010

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