(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

DISPOSITIVO PARA DETERMINAR A CONCENTRACAO DE OXIGENIO E DE COMBUSTIVEL DENTRO DE UM GAS

Em AnáliseInvention Patent

Application data

Number

PI8303007

Type

Invention Patent

Filing

06/04/1982

Publication

01/31/1984

Progress at the INPI

  1. Filing06/04/82
  2. Publication01/31/84
  3. Examination05/15/84
  4. Allowance02/12/86
  5. Grant09/30/86
  6. Terminated04/25/95

The patent was granted on 09/30/1986 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: 08/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO [US]

See this company's full portfolio

Inventors

B. C. (pessoa física)

Z. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.8

08/23/1988

RPI 931

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

01/31/1984

RPI 693

Pedido de patente depositado

#2.1

07/19/1983

RPI 665

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

Pedido de licença compulsória

#20.1

10/29/1991

RPI 1091

Pedido de licença compulsória

#20.1

10/22/1991

RPI 1090

20.10

10/15/1991

RPI 1089

Pedido de licença compulsória

#20.1

09/03/1991

RPI 1083

Pedido de licença compulsória

#20.1

08/27/1991

RPI 1082

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.