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Official data from INPI

VALVULA FACA DE FECHAMENTO DUPLO

Em AnáliseUtility Model

Application data

Number

MU5900495

Type

Utility Model

Filing

04/17/1979

Publication

-

Progress at the INPI

  1. Filing04/17/79
  2. Publication
  3. Examination
  4. Allowance02/12/86
  5. Grant08/26/86
  6. Terminated07/12/88

The patent was granted on 08/26/1986 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NATRON CONSULTORIA E PROJETOS

Inventors

D. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

07/02/1985

RPI 767

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