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Official data from INPI

SISTEMA DE FLUXO DE LÍQUIDO, CONSTRUÇÃO DE VÁLVULA REGULADORA DE FLUXO DIRECIONAL E VÁLVULA REGULADORA DE FLUXO DIRECIONAL

PublicadaInvention Patent

Application data

Number

PI8803054

Type

Invention Patent

Filing

06/22/1988

Publication

01/10/1989

Progress at the INPI

  1. Filing06/22/88
  2. Publication01/10/89
  3. Examination04/10/90
  4. Allowance07/16/91
  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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Templeton, Kenly & Co

US

T- K Acquisition Corp.

US

Inventors

A. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

065.938 · 06/23/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/10/1989

RPI 951

Pedido de patente depositado

#2.1

11/16/1988

RPI 943

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

11/24/1992

RPI 1147

14.4

06/16/1992

RPI 1124

14.1

05/26/1992

RPI 1121

Republicação - classificação IPC

#15.11

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

11/12/1991

RPI 1093

Deferimento

#9.1

07/16/1991

RPI 1076

Solicitação de exame técnico

#4.1

04/10/1990

RPI 1013

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