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Official data from INPI

GERAÇÃO DE ENERGIA.

ConcedidaInvention Patent

Application data

Number

PI8304318

Type

Invention Patent

Filing

08/08/1983

Publication

03/20/1984

Progress at the INPI

  1. Filing08/08/83
  2. Publication03/20/84
  3. Examination05/27/86
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. K. (pessoa física)

US

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

US

405,942 · 08/06/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

06/02/1987

RPI 867

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

03/20/1984

RPI 700

Pedido de patente depositado

#2.1

10/18/1983

RPI 678

Carta-patente expirada

#21.1

Patente extinta em 08/08/98

07/01/2008

RPI 1956

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