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Official data from INPI

ESTUFA ELÉTRICA PARA FRIOS EM GERAL.

ConcedidaInvention Patent

Application data

Number

PI8105215

Type

Invention Patent

Filing

08/12/1981

Publication

03/22/1983

Progress at the INPI

  1. Filing08/12/81
  2. Publication03/22/83
  3. Examination10/22/85
  4. Allowance07/14/87
  5. Grant02/23/88
  6. Terminated09/13/94

The patent was granted on 02/23/1988 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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. O. (pessoa física)

SP, BR

F. O. (pessoa física)

SP, BR

Inventors

O. [. (pessoa física)

O. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/23/1988

RPI 905

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

11/25/1986

RPI 840

Solicitação de exame técnico

#4.1

10/22/1985

RPI 783

8.1

05/07/1985

RPI 759

Publicação do pedido de patente

#3.1

03/22/1983

RPI 648

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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