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Official data from INPI

PROCESSO PARA O CRAQUEAMENTO DE HIDROCARBONETOS COM SÓLIDOS EM PARTÍCULAS QUENTES; REATOR DE CRAQUEAMENTO; AQUECEDOR DE LEITO CARREADO; CONJUNTO SEPARADOR PARA A SEPARAÇÃO DE SÓLIDOS EM PARTÍCULAS DE UM GÁS; CONJUNTO DE SUPRIMENTO DE SÓLIDOS E SISTEMA DE SUPRIMENTO DE SÓLIDOS

Em AnáliseInvention Patent

Application data

Number

PI8801976

Type

Invention Patent

Filing

04/25/1988

Publication

02/21/1989

Progress at the INPI

  1. Filing04/25/88
  2. Publication02/21/89
  3. Abandoned10/31/89
  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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stone & Webster Engineering Corporation

US

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Inventors

R. N. (pessoa física)

US

R. G. (pessoa física)

US

Technical data

Priority claims

US

084.328 · 08/11/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

02/21/1989

RPI 957

Pedido de patente depositado

#2.1

08/30/1988

RPI 932

Republicação - classificação IPC

#15.11

02/12/1997

RPI 1367

Arquivamento - Art. 36 §1° da LPI

#11.2

04/09/1996

RPI 1323

Exigência - art. 36 da LPI

#6.1

07/18/1995

RPI 1285

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