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Official data from INPI

APERFEICOAMENTOS NOS CIRCUITOS HIDRAULICOS PARA PRENSAS MISTAS PARA A PRODUCAO DE PECAS CERAMICAS E MATERIAIS REFRATARIOS

ConcedidaInvention Patent

Application data

Number

PI7704280

Type

Invention Patent

Filing

06/29/1977

Publication

-

Progress at the INPI

  1. Filing06/29/77
  2. Publication
  3. Examination
  4. Allowance04/27/82
  5. Grant11/30/82
  6. Terminated01/21/92

The patent was granted on 11/30/1982 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: 11/30/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. U. (pessoa física)

Inventors

W. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

08/31/1982

RPI 619

Deferimento

#9.1

04/27/1982

RPI 601

Exigência - art. 36 da LPI

#6.1

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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