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Official data from INPI

APERFEICOAMENTOS INTRODUZIDOS EM GERADOR ELETRICO DE AR QUENTE

ConcedidaInvention Patent

Application data

Number

PI8300501

Type

Invention Patent

Filing

01/28/1983

Publication

09/04/1984

Progress at the INPI

  1. Filing01/28/83
  2. Publication09/04/84
  3. Examination07/30/85
  4. Allowance12/16/86
  5. Grant09/29/87
  6. Terminated10/02/90

The patent was granted on 09/29/1987 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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. R. (pessoa física)

Inventors

R. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Exigência - art. 36 da LPI

#6.1

03/25/1986

RPI 805

Solicitação de exame técnico

#4.1

07/30/1985

RPI 771

Publicação do pedido de patente

#3.1

09/04/1984

RPI 724

Pedido de patente depositado

#2.1

03/22/1983

RPI 648

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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