(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

DISPOSITIVO PARA AQUECIMENTO ELÉTRICO DE LÍQUIDO EM RECIPIENTE

Em AnáliseInvention Patent

Application data

Number

PI8503581

Type

Invention Patent

Filing

07/29/1985

Publication

03/04/1987

Progress at the INPI

  1. Filing07/29/85
  2. Publication03/04/87
  3. Examination07/21/87
  4. Allowance01/02/91
  5. Grant08/27/91
  6. Terminated05/21/96

The patent was granted on 08/27/1991 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: 07/21/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. F. (pessoa física)

SP, BR

Inventors

P. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/21/1987

RPI 874

Publicação do pedido de patente

#3.1

03/04/1987

RPI 854

Pedido de patente depositado

#2.1

09/24/1985

RPI 779

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

04/16/1991

RPI 1063

Deferimento

#9.1

01/02/1991

RPI 1048

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.