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Official data from INPI

TROCADOR DE CALOR DE PLACAS

ConcedidaInvention Patent

Application data

Number

PI8208014

Type

Invention Patent

Filing

12/10/1981

Publication

11/08/1983

Progress at the INPI

  1. Filing12/10/81
  2. Publication11/08/83
  3. Examination06/25/85
  4. Allowance09/02/86
  5. Grant04/28/87
  6. Terminated02/11/92

The patent was granted on 04/28/1987 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: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALFA LAVAL AB [SE]

Inventors

D. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

12/23/1986

RPI 844

Deferimento

#9.1

09/02/1986

RPI 828

Exigência - art. 36 da LPI

#6.1

03/25/1986

RPI 805

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Notificação de entrada na fase nacional - PCT

#1.3

11/08/1983

RPI 681

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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