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

TROCADOR DE CALOR DE FLUXO CRUZADO APERFEICOADO

IndeferidaInvention Patent

Application data

Number

PI8401065

Type

Invention Patent

Filing

03/09/1984

Publication

10/15/1985

Progress at the INPI

Under appeal
  1. Filing03/09/84
  2. Publication10/15/85
  3. Examination01/21/86
  4. Refused01/13/87
  5. Grant
  6. In force

The application was refused by the INPI on 01/13/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/13/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IND HITACHI S A [BR]

Inventors

S. H. (pessoa física)

T. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

01/13/1987

RPI 847

Solicitação de exame técnico

#4.1

01/21/1986

RPI 796

Publicação do pedido de patente

#3.1

10/15/1985

RPI 782

Pedido de patente depositado

#2.1

05/15/1984

RPI 708

Patent monitoring

Track this patent in real time.

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