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Official data from INPI

MEDIDOR GRAVIMÉTRICO DE CONSUMO DE COMBUSTÍVEL

ConcedidaInvention Patent

Application data

Number

PI8200727

Type

Invention Patent

Filing

02/11/1982

Publication

10/11/1983

Progress at the INPI

  1. Filing02/11/82
  2. Publication10/11/83
  3. Examination12/27/83
  4. Allowance01/02/85
  5. Grant07/30/85
  6. Terminated07/18/95

The patent was granted on 07/30/1985 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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto Maua de Tecnologia,Imt

SP, BR

See this company's full portfolio

Inventors

M. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

03/30/1982

RPI 597

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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