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Official data from INPI

PULSADOR PARA ENRIQUECIMENTO DE ANTRACITO

Em AnáliseInvention Patent

Application data

Number

PI8602245

Type

Invention Patent

Filing

05/16/1986

Publication

12/22/1987

Progress at the INPI

  1. Filing05/16/86
  2. Publication12/22/87
  3. Abandoned04/19/88
  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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ZABRZANSKIE GWARECTWO WEGLOWE [PL]

Inventors

J. J. (pessoa física)

J. B. (pessoa física)

P. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/19/1988

RPI 913

Publicação do pedido de patente

#3.1

12/22/1987

RPI 896

Pedido de patente depositado

#2.1

11/11/1986

RPI 838

Arquivamento - Art. 36 §1° da LPI

#11.2

06/30/1992

RPI 1126

Exigência - art. 36 da LPI

#6.1

09/03/1991

RPI 1083

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