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Official data from INPI

PACOTE DE CÉLULA COMBUSTÍVEL.

ConcedidaInvention Patent

Application data

Number

PI8300092

Type

Invention Patent

Filing

01/10/1983

Publication

09/20/1983

Progress at the INPI

  1. Filing01/10/83
  2. Publication09/20/83
  3. Examination12/13/83
  4. Allowance12/17/85
  5. Grant06/24/86
  6. Terminated10/02/90

The patent was granted on 06/24/1986 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

C. V. (pessoa física)

L. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

338.353 · 01/11/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/17/1985

RPI 791

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Exigência - art. 36 da LPI

#6.1

01/22/1985

RPI 744

Solicitação de exame técnico

#4.1

12/13/1983

RPI 686

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

02/22/1983

RPI 644

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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