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Official data from INPI

PROCESSO E APARELHO PARA INVESTIR AFASTAMENTO(STAND-OFF)EM FURO SONDA

Em AnáliseInvention Patent

Application data

Number

PI8301428

Type

Invention Patent

Filing

03/24/1982

Publication

11/29/1983

Progress at the INPI

  1. Filing03/24/82
  2. Publication11/29/83
  3. Examination11/12/85
  4. Allowance
  5. Grant
  6. In force

Published on 11/29/1983, 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: 03/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PRAD RES & DEV CORP [US]

Inventors

E. P. (pessoa física)

H. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

112

03/14/1989

RPI 960

6.4

12/06/1988

RPI 946

Exigência - art. 36 da LPI

#6.1

11/16/1988

RPI 943

Pedido de recurso

#12.3

05/10/1988

RPI 916

11.3

03/01/1988

RPI 906

Exigência - art. 36 da LPI

#6.1

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

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