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Official data from INPI

TECNICA E DISPOSICAO DE CONTROLE COORDENADO PARA SISTEMA GERADOR DE ENERGIA A VAPOR

ConcedidaInvention Patent

Application data

Number

PI8302577

Type

Invention Patent

Filing

05/07/1982

Publication

01/17/1984

Progress at the INPI

  1. Filing05/07/82
  2. Publication01/17/84
  3. Examination05/22/84
  4. Allowance07/02/85
  5. Grant12/31/85
  6. Terminated04/25/95

The patent was granted on 12/31/1985 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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO [US]

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Inventors

R. D. (pessoa física)

W. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

10/22/1985

RPI 783

Deferimento

#9.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

05/22/1984

RPI 709

Publicação do pedido de patente

#3.1

01/17/1984

RPI 691

Pedido de patente depositado

#2.1

07/05/1983

RPI 663

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

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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