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Official data from INPI

TROCADOR TÉRMICO

PublicadaInvention Patent

Application data

Number

PI8900566

Type

Invention Patent

Filing

02/09/1989

Publication

10/10/1989

Progress at the INPI

  1. Filing02/09/89
  2. Publication10/10/89
  3. Examination08/28/90
  4. Allowance02/18/92
  5. Grant11/24/92
  6. Terminated10/24/95

The patent was granted on 11/24/1992 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mtu Motoren- Und Turbinen-Union Muenchen GmbH

DE

Inventors

H. G. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P3803947.8 · 02/10/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/10/1989

RPI 990

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/07/1992

RPI 1127

Republicação - classificação IPC

#15.11

05/19/1992

RPI 1120

Deferimento

#9.1

02/18/1992

RPI 1107

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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