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Official data from INPI

APERFEIÇOAMENTO EM TERMOSTATO PARA APARELHOS QUE UTILIZAM COMBUSTÍVEIS GASOSOS.

Em AnáliseInvention Patent

Application data

Number

PI8002608

Type

Invention Patent

Filing

04/25/1980

Publication

12/15/1981

Progress at the INPI

  1. Filing04/25/80
  2. Publication12/15/81
  3. Examination04/12/83
  4. Allowance04/24/84
  5. Grant10/30/84
  6. Terminated06/21/88

The patent was granted on 10/30/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Delta Metal S/A

Inventors

G. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

201

06/03/1986

RPI 815

Pedido de licença voluntária

#17.1

12/10/1985

RPI 790

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Deferimento

#9.1

04/24/1984

RPI 705

Exigência - art. 36 da LPI

#6.1

11/22/1983

RPI 683

Solicitação de exame técnico

#4.1

04/12/1983

RPI 651

Publicação do pedido de patente

#3.1

12/15/1981

RPI 582

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