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Official data from INPI

PROCESSO PARA A PURIFICACAO DE ENXOFRE LIQUIDO

Em AnáliseInvention Patent

Application data

Number

PI8601965

Type

Invention Patent

Filing

05/02/1985

Publication

01/06/1987

Progress at the INPI

  1. Filing05/02/85
  2. Publication01/06/87
  3. Abandoned04/28/87
  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: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNION RHEINISCHE BRAUNKOHLEN [DE]

Inventors

H. D. (pessoa física)

H. R. (pessoa física)

K. K. (pessoa física)

S. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/28/1987

RPI 862

Publicação do pedido de patente

#3.1

01/06/1987

RPI 846

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Arquivamento - Art. 36 §1° da LPI

#11.2

08/20/1991

RPI 1081

Exigência - art. 36 da LPI

#6.1

02/19/1991

RPI 1055

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