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Official data from INPI

OBTURADOR DE PERFURAÇÃO DE POÇO DE ALTA TEMPERATURA.

ArquivadaInvention Patent

Application data

Number

PI8302310

Type

Invention Patent

Filing

05/04/1983

Publication

01/03/1984

Progress at the INPI

  1. Filing05/04/83
  2. Publication01/03/84
  3. Abandoned03/11/86
  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: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Halliburton Company

US

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Inventors

Z. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

375,418 · 05/06/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/12/1988

RPI 912

Exigência - art. 36 da LPI

#6.1

06/16/1987

RPI 869

Solicitação de exame técnico

#4.1

03/11/1986

RPI 803

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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