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

APARELHO E PROCESSO PARA MONTAR UM NUCLEO DE TROCADOR DE CALOR; E TROCADOR DE CALOR

Em AnáliseInvention Patent

Application data

Number

PI8007068

Type

Invention Patent

Filing

11/02/1979

Publication

-

Progress at the INPI

  1. Filing11/02/79
  2. Publication
  3. Examination06/14/83
  4. Allowance06/11/85
  5. Grant12/31/85
  6. Terminated09/26/89

The patent was granted on 12/31/1985 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GRAENGES AB

Inventors

J. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

09/24/1985

RPI 779

Deferimento

#9.1

06/11/1985

RPI 764

8.1

01/22/1985

RPI 744

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

06/14/1983

RPI 660

Patent monitoring

Track this patent in real time.

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