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Official data from INPI

PROCESSO E APARELHO PARA PURIFICAR ÓXIDOS ÁCIDOS DE ENXOFRE, NITROGÊNIO E CARBONO

PublicadaInvention Patent

Application data

Number

PI8704632

Type

Invention Patent

Filing

09/04/1987

Publication

04/26/1988

Progress at the INPI

  1. Filing09/04/87
  2. Publication04/26/88
  3. Abandoned12/26/90
  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.

Talk to a specialist

Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. T. (pessoa física)

US

Inventors

G. M. (pessoa física)

US

Technical data

Priority claims

US

904.719 · 09/05/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/26/1988

RPI 914

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 17/00; C01B 21/20; C01B 31/00.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

03/14/1995

RPI 1267

Exigência - art. 36 da LPI

#6.1

08/16/1994

RPI 1237

Solicitação de exame técnico

#4.1

12/26/1990

RPI 1047

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