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Official data from INPI

UM CONJUNTO DE FILTRO PARA SISTEMA DE MONITORAMENTO DE UM MOINHO DE CARVÃO

Em AnáliseInvention Patent

Application data

Number

PI8702291

Type

Invention Patent

Filing

04/28/1987

Publication

02/17/1988

Progress at the INPI

  1. Filing04/28/87
  2. Publication02/17/88
  3. Abandoned07/19/88
  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: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

International Control Automation Finance S.A

LU

The Babcock & Wilcox Company

US

See this company's full portfolio

Inventors

M. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

06/856.747 · 04/28/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/19/1988

RPI 926

Publicação do pedido de patente

#3.1

02/17/1988

RPI 904

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Arquivamento - Art. 36 §1° da LPI

#11.2

12/27/1994

RPI 1256

Exigência - art. 36 da LPI

#6.1

04/19/1994

RPI 1220

14.1

04/20/1993

RPI 1168

14.1

04/13/1993

RPI 1167

15.20

04/07/1992

RPI 1114

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