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Official data from INPI

ESTACA-TUBO DE AÇO E PROCESSO DE ESTAQUEAMENTO

Em AnáliseInvention Patent

Application data

Number

PI8802255

Type

Invention Patent

Filing

05/09/1988

Publication

08/23/1988

Progress at the INPI

Under appeal
  1. Filing05/09/88
  2. Publication08/23/88
  3. Examination10/18/88
  4. Refused03/16/93
  5. Grant
  6. In force

The application was refused by the INPI on 03/16/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 10/18/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. F. (pessoa física)

SP, BR

Inventors

J. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/18/1988

RPI 939

Publicação antecipada

#3.2

08/23/1988

RPI 931

Pedido de patente depositado

#2.1

08/09/1988

RPI 929

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: E02D 5/28; E05D 5/74.

03/27/2018

RPI 2464

Indeferimento

#9.2

03/16/1993

RPI 1163

Conhecimento de parecer técnico

#7.1

05/26/1992

RPI 1121

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