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Official data from INPI

MÉTODO DE CALIBRAÇÃO DE CROMATÓGRAFO A GÁS PARA ANÁLISES DE GASES

Em AnáliseInvention Patent

Application data

Number

PI8704437

Type

Invention Patent

Filing

08/27/1987

Publication

03/14/1989

Progress at the INPI

  1. Filing08/27/87
  2. Publication03/14/89
  3. Examination10/24/89
  4. Allowance11/26/91
  5. Grant04/27/93
  6. Terminated06/25/96

The patent was granted on 04/27/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciquine - Companhia Petroquímica

BA, BR

Inventors

A. G. (pessoa física)

BR

G. F. (pessoa física)

BR

H. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

03/14/1989

RPI 960

Pedido de patente depositado

#2.1

10/04/1988

RPI 937

Anuidade - prazo legal encerrado

#18.2

06/25/1996

RPI 1334

Concessão da patente

#16.1

04/27/1993

RPI 1169

11.8

11/17/1992

RPI 1146

Arquivamento - Art. 38 §2° da LPI

#11.4

10/06/1992

RPI 1140

Notificação para pagamento de retribuição

#13.1

05/05/1992

RPI 1118

Deferimento

#9.1

11/26/1991

RPI 1095

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