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Official data from INPI

VALVULA PARA CONTROLE DE FLUXO COM DISSIPADOR

Em AnáliseUtility Model

Application data

Number

MU5900770

Type

Utility Model

Filing

05/25/1979

Publication

-

Progress at the INPI

  1. Filing05/25/79
  2. Publication
  3. Examination
  4. Allowance03/22/83
  5. Grant11/29/83
  6. Terminated06/21/88

The patent was granted on 11/29/1983 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CERB

Inventors

D. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

Exigência - art. 36 da LPI

#6.1

06/22/1982

RPI 609

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