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Official data from INPI

MODELO DE VALVULA DE BOIA FLUXO INTEGRAL

ConcedidaUtility Model
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Application data

Number

MU6201336

Type

Utility Model

Filing

09/29/1982

Publication

05/02/1984
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Progress at the INPI

  1. Filing09/29/82
  2. Publication05/02/84
  3. Examination07/24/84
  4. Allowance10/29/86
  5. Grant09/29/87
  6. Expired12/07/93

The letters patent expired on 12/07/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METROX IND METALURGICA LTDA [BR]

Inventors

S. O. (pessoa física)

Technical data

IPC Classification

F16K 21/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

03/31/1987

RPI 858

Deferimento

#9.1

10/29/1986

RPI 836

Exigência - art. 36 da LPI

#6.1

12/24/1985

RPI 792

Republicação - classificação IPC

#15.11

07/02/1985

RPI 767

Exigência - art. 36 da LPI

#6.1

06/11/1985

RPI 764

Solicitação de exame técnico

#4.1

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

05/02/1984

RPI 706

Pedido de patente depositado

#2.1

11/23/1982

RPI 631

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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