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Official data from INPI

REVESTIMENTO REFRATÁRIO PARA TUBOS CALORIZADOS E TUBO REVESTIDO RESULTANTE

PublicadaInvention Patent

Application data

Number

PI8805798

Type

Invention Patent

Filing

11/03/1988

Publication

07/11/1989

Progress at the INPI

  1. Filing11/03/88
  2. Publication07/11/89
  3. Abandoned07/24/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

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

Applicants and inventors

Applicants

Indústria de Metais Kyowa Ltda.

SP, BR

Inventors

I. H. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

07/11/1989

RPI 977

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C04B 35/04; F16L 58/04; C04B 35/68.

03/27/2018

RPI 2464

11.13

12/23/1997

RPI 1409

11.31

12/23/1997

RPI 1409

Arquivamento - Art. 36 §1° da LPI

#11.2

09/09/1997

RPI 1397

Exigência - art. 36 da LPI

#6.1

09/10/1996

RPI 1345

Retificação

#15.6

10/20/1992

RPI 1142

Retificação

#15.3

06/16/1992

RPI 1124

Solicitação de exame técnico

#4.1

07/24/1990

RPI 1025

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