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

Tubo com alto rendimento de troca térmica

IndeferidaInvention Patent

Application data

Number

PI8404504

Type

Invention Patent

Filing

09/10/1984

Publication

02/12/1985

Progress at the INPI

Under appeal
  1. Filing09/10/84
  2. Publication02/12/85
  3. Examination04/30/85
  4. Refused04/26/88
  5. Grant
  6. In force

The application was refused by the INPI on 04/26/1988. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. V. (pessoa física)

BR

Inventors

J. V. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

04/26/1988

RPI 914

Conhecimento de parecer técnico

#7.1

10/21/1986

RPI 835

Solicitação de exame técnico

#4.1

04/30/1985

RPI 758

Publicação antecipada

#3.2

02/12/1985

RPI 747

Pedido de patente depositado

#2.1

11/13/1984

RPI 734

Patent monitoring

Track this patent in real time.

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