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Official data from INPI

VALVULA PARA A INTERRUPCAO FINAL DE UM SERVO MOTOR ACIONAVEL HIDRAULICAMENTE,EM PARTICULAR DE INSTALACOES DE SERVO-DIRECAO HIDROSTATICAS DE AUTOMOVEIS

Em AnáliseInvention Patent

Application data

Number

PI7607137

Type

Invention Patent

Filing

10/25/1975

Publication

-

Progress at the INPI

  1. Filing10/25/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant08/31/82
  6. Terminated05/21/85

The patent was granted on 08/31/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/21/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Z. F. (pessoa física)

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Inventors

F. R. (pessoa física)

L. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/21/1985

RPI 761

Cessão de direito de exploração

#22.1

11/20/1984

RPI 735

Concessão da patente

#16.1

08/31/1982

RPI 619

110

03/30/1982

RPI 597

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