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Official data from INPI

DISPOSITIVO DE VÁLVULA REGULADORA DE FLUIDO TERMOSTÁTICO

ConcedidaInvention Patent

Application data

Number

PI8504758

Type

Invention Patent

Filing

07/02/1985

Publication

07/22/1986

Progress at the INPI

  1. Filing07/02/85
  2. Publication07/22/86
  3. Examination11/04/86
  4. Allowance08/23/88
  5. Grant09/26/89
  6. Terminated10/02/90

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

Inventors

B. M. (pessoa física)

US

W. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

656.685 · 10/01/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

12/13/1988

RPI 947

Deferimento

#9.1

08/23/1988

RPI 931

Solicitação de exame técnico

#4.1

11/04/1986

RPI 837

Publicação do pedido de patente

#3.1

07/22/1986

RPI 822

Pedido de patente depositado

#2.1

12/10/1985

RPI 790

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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