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Official data from INPI

SISTEMA NEUTRALIZADOR E EXTINTOR DE INCÊNDIO EM PULVERIZADOR DE CARVÃO

Em AnáliseInvention PatentPCT · US1988000353

Application data

Number

PI8806240

Type

Invention Patent

Filing

02/08/1988

Publication

10/17/1989

PCT

US1988000353

Progress at the INPI

  1. Filing02/08/88
  2. Publication10/17/89
  3. Examination07/31/90
  4. Allowance03/12/91
  5. Grant10/29/91
  6. Terminated10/24/95

The patent was granted on 10/29/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Combustion Engineering, Inc.

US

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Inventors

J. R. (pessoa física)

M. J. (pessoa física)

S. K. (pessoa física)

Technical data

IPC Classification

Priority claims

US

027.459 · 03/18/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/17/1989

RPI 991

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

06/25/1991

RPI 1073

Deferimento

#9.1

03/12/1991

RPI 1058

Solicitação de exame técnico

#4.1

07/31/1990

RPI 1026

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