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Official data from INPI

APARELHO E PROCESSO PARA CONTROLE DE TRANSFERÊNCIA DE CALOR DE TURBOCOMPRESSOR

ConcedidaInvention Patent

Application data

Number

PI8505968

Type

Invention Patent

Filing

11/28/1985

Publication

08/19/1986

Progress at the INPI

  1. Filing11/28/85
  2. Publication08/19/86
  3. Examination08/23/88
  4. Allowance05/23/89
  5. Grant10/24/89
  6. Terminated03/10/92

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

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

D. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

681.531 · 12/14/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

09/19/1989

RPI 987

Deferimento

#9.1

05/23/1989

RPI 970

Solicitação de exame técnico

#4.1

08/23/1988

RPI 931

Publicação do pedido de patente

#3.1

08/19/1986

RPI 826

Pedido de patente depositado

#2.1

02/12/1986

RPI 799

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

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