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Official data from INPI

MELHORAMENTOS RELACIONADOS A SEPARACAO DE MATERIAIS

ArquivadaInvention Patent
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Application data

Number

PI8107686

Type

Invention Patent

Filing

11/24/1981

Publication

07/05/1983
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Progress at the INPI

  1. Filing11/24/81
  2. Publication07/05/83
  3. Abandoned09/24/85
  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: 05/03/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NORTON HARTY COLLIERY ENGINERI [GB]

Inventors

C. F. (pessoa física)

Technical data

IPC Classification

B03B 13/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/03/1988

RPI 915

Exigência - art. 36 da LPI

#6.1

08/04/1987

RPI 876

Exigência - art. 36 da LPI

#6.1

09/23/1986

RPI 831

Solicitação de exame técnico

#4.1

09/24/1985

RPI 779

Publicação do pedido de patente

#3.1

07/05/1983

RPI 663

Pedido de patente depositado

#2.1

01/12/1982

RPI 586

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