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Official data from INPI

PROCESSO PARA A VERIFICAÇÃO DO TEOR DE UMA BARRA DE COMBUSTÍVEL

Em AnáliseInvention Patent

Application data

Number

PI8401324

Type

Invention Patent

Filing

03/22/1984

Publication

10/30/1984

Progress at the INPI

  1. Filing03/22/84
  2. Publication10/30/84
  3. Examination11/25/86
  4. Allowance04/16/91
  5. Grant12/31/91
  6. Terminated09/05/95

The patent was granted on 12/31/1991 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: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

See this company's full portfolio

Inventors

D. D. (pessoa física)

DE

G. G. (pessoa física)

DE

P. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 10 755.6 · 03/24/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

11/25/1986

RPI 840

Publicação do pedido de patente

#3.1

10/30/1984

RPI 732

Pedido de patente depositado

#2.1

06/12/1984

RPI 712

Anuidade - prazo legal encerrado

#18.2

09/05/1995

RPI 1292

Concessão da patente

#16.1

12/31/1991

RPI 1100

Notificação para pagamento de retribuição

#13.1

09/10/1991

RPI 1084

9.1.3

05/28/1991

RPI 1069

Deferimento

#9.1

04/16/1991

RPI 1063

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