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Official data from INPI

PROCESSO E DISPOSITIVO PARA DETECTAR A PRESENÇA DE UMA SUBSTÂNCIA GASOSA EM UM ESPAÇO LIMITADO POR UM INVÓLUCRO

DeferidaInvention Patent

Application data

Number

PI8406488

Type

Invention Patent

Filing

12/17/1984

Publication

10/15/1985

Progress at the INPI

  1. Filing12/17/84
  2. Publication10/15/85
  3. Examination07/07/87
  4. Allowance08/22/89
  5. Grant04/24/90
  6. Terminated07/04/95

The patent was granted on 04/24/1990 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Babcock & Wilcox Company

US

See this company's full portfolio

Inventors

C. H. (pessoa física)

US

J. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

562.558 · 12/19/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/22/1989

RPI 983

Exigência - art. 36 da LPI

#6.1

01/10/1989

RPI 951

Solicitação de exame técnico

#4.1

07/07/1987

RPI 872

Republicação - classificação IPC

#15.11

11/26/1985

RPI 788

Publicação do pedido de patente

#3.1

10/15/1985

RPI 782

Pedido de patente depositado

#2.1

02/26/1985

RPI 749

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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