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Official data from INPI

PROCESSO DE EXPANDIR UM TUBO METÁLICO PARA ACOPLAMENTO A UMA PEÇA METÁLICA TUBULAR COAXIAL CIRCUNDANTE

PublicadaInvention Patent

Application data

Number

PI8804756

Type

Invention Patent

Filing

09/15/1988

Publication

04/25/1989

Progress at the INPI

  1. Filing09/15/88
  2. Publication04/25/89
  3. Abandoned04/30/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

R. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

87 22151 · 09/21/1987

GB

88185582 · 08/04/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/25/1989

RPI 966

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

Arquivamento - Art. 36 §1° da LPI

#11.2

12/12/1995

RPI 1306

Republicação - classificação IPC

#15.11

05/02/1995

RPI 1274

Exigência - art. 36 da LPI

#6.1

03/01/1995

RPI 1265

Solicitação de exame técnico

#4.1

04/30/1991

RPI 1065

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