Official data from INPI

APERFEICOAMENTO EM BOIA MEDIDORA DE COMBUSTIVEL

Em AnáliseInvention Patent

Talk to an expert

Application data

Number

PI8104603

Type

Invention Patent

Filing

07/17/1981

Publication

02/22/1983

View on INPI

Progress at the INPI

Filing07/17/81
Publication02/22/83
Examination06/28/83
Allowance07/10/84
Grant03/26/85
Terminated06/27/95

The patent was granted on 03/26/1985 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: 06/06/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MTE METALURG TERMO ELETRIC SA [BR]

Inventors

F. D. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

06/06/1989

RPI 972

20.4

10/04/1988

RPI 937

Concessão da patente

#16.1

03/26/1985

RPI 753

13.3

12/04/1984

RPI 737

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

14.4

08/14/1984

RPI 721

14.1

08/07/1984

RPI 720

Deferimento

#9.1

07/10/1984

RPI 716

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

Publicação do pedido de patente

#3.1

02/22/1983

RPI 644

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

Pedido de licença compulsória

#20.1

04/02/1991

RPI 1061

Patent monitoring

Track this patent in real time.

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

Talk to an expert