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Official data from INPI

ARRANJO DE CÉLULA COMBUSTÍVEL.

Em AnáliseInvention Patent

Application data

Number

PI8300079

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. Allowance03/26/85
  5. Grant
  6. Terminated10/02/90

The patent was granted 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: 07/09/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

See this company's full portfolio

Inventors

C. V. (pessoa física)

Technical data

IPC Classification

Priority claims

US

338.354 · 01/11/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

07/09/1985

RPI 768

Deferimento

#9.1

03/26/1985

RPI 753

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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