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

TROCADOR DE CALOR.

Em AnáliseInvention Patent

Application data

Number

PI8003183

Type

Invention Patent

Filing

05/21/1980

Publication

-

Progress at the INPI

  1. Filing05/21/80
  2. Publication
  3. Examination04/12/83
  4. Allowance11/29/83
  5. Grant05/29/84
  6. Terminated05/17/88

The patent was granted on 05/29/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfa-Laval AB

SE

See this company's full portfolio

Inventors

H. G. (pessoa física)

K. I. (pessoa física)

Technical data

IPC Classification

Priority claims

SE

7904587-8 · 05/25/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Cessão de direito de exploração

#22.1

12/10/1985

RPI 790

16.3

08/21/1984

RPI 722

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/20/1984

RPI 700

Deferimento

#9.1

11/29/1983

RPI 684

Solicitação de exame técnico

#4.1

04/12/1983

RPI 651

Related

From the same holder

Patent monitoring

Track this patent in real time.

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