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Official data from INPI

SISTEMA DE CONTROLE DE PULSACAO EM COMPRESSOR CENTRIFUGO

ConcedidaInvention Patent
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Application data

Number

PI8300793

Type

Invention Patent

Filing

02/12/1982

Publication

11/16/1983
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Progress at the INPI

  1. Filing02/12/82
  2. Publication11/16/83
  3. Examination03/27/84
  4. Allowance09/30/86
  5. Grant06/30/87
  6. Terminated04/18/95

The patent was granted on 06/30/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO [US]

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Inventors

A. C. (pessoa física)

Technical data

IPC Classification

F04D 27/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Deferimento

#9.1

09/30/1986

RPI 832

Exigência - art. 36 da LPI

#6.1

02/25/1986

RPI 801

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/05/1983

RPI 650

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

Pedido de licença compulsória

#20.1

02/04/1992

RPI 1105

Pedido de licença compulsória

#20.1

01/28/1992

RPI 1104

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