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Official data from INPI

PROCESSO PARA REMOCAO DE SULFETO DE HIDROGENIO E DE AMONIA

IndeferidaInvention Patent

Application data

Number

PI8107202

Type

Invention Patent

Filing

11/12/1980

Publication

07/27/1982

Progress at the INPI

Under appeal
  1. Filing11/12/80
  2. Publication07/27/82
  3. Examination09/18/84
  4. Refused06/02/87
  5. Grant
  6. In force

The application was refused by the INPI on 06/02/1987. The invention was never patented.

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Latest action published by the INPI: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

USS ENG & CONSULT [US]

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Inventors

M. E. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

06/02/1987

RPI 867

Conhecimento de parecer técnico

#7.1

09/03/1985

RPI 776

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

07/27/1982

RPI 614

Pedido de patente depositado

#2.1

12/22/1981

RPI 583

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