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Official data from INPI

APARELHO DE ACOPLAMENTO PARA LIGAÇÃO COM UM MEMBRO CILÍNDRICO, APARELHO DE ACOPLAMENTO PARA LIGAR DE MODO ESTANQUE UM CORPO A UM MEMBRO CILÍNDRICO E RECIPIENTE DE BUJÃO.

Em AnáliseInvention Patent

Application data

Number

PI8302270

Type

Invention Patent

Filing

05/03/1983

Publication

01/03/1984

Progress at the INPI

  1. Filing05/03/83
  2. Publication01/03/84
  3. Examination03/25/86
  4. Allowance
  5. Grant
  6. In force

Published on 01/03/1984, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Halliburton Company

US

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Inventors

B. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

374,869 · 05/04/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

08/25/1987

RPI 879

Solicitação de exame técnico

#4.1

03/25/1986

RPI 805

Publicação do pedido de patente

#3.1

01/03/1984

RPI 689

Pedido de patente depositado

#2.1

06/21/1983

RPI 661

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