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Official data from INPI

Tubo reforçado e bico de extrusão.

PublicadaInvention Patent

Application data

Number

PI8702359

Type

Invention Patent

Filing

05/08/1987

Publication

02/17/1988

Progress at the INPI

  1. Filing05/08/87
  2. Publication02/17/88
  3. Abandoned09/11/90
  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: 02/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atlas Powder Company

US

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Inventors

D. Z. (pessoa física)

L. H. (pessoa física)

T. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

861057 · 05/08/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/17/1988

RPI 904

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Arquivamento - Art. 36 §1° da LPI

#11.2

12/24/1996

RPI 1360

Exigência - art. 36 da LPI

#6.1

03/26/1996

RPI 1321

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

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