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Official data from INPI

DISPOSICAO CONSTRUTIVA EM VALVULA APLICADA EM CORPOS INFLAVEIS

Em AnáliseUtility Model
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Application data

Number

MU6400295

Type

Utility Model

Filing

02/28/1984

Publication

09/24/1985
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Progress at the INPI

  1. Filing02/28/84
  2. Publication09/24/85
  3. Examination12/24/85
  4. Allowance09/30/86
  5. Grant08/25/87
  6. Terminated03/10/92

The patent was granted on 08/25/1987 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PLASTICOS MA TE CO S A [BR]

Inventors

T. M. (pessoa física)

Technical data

IPC Classification

F16K 15/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/28/1989

RPI 997

20.4

05/31/1988

RPI 919

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

03/04/1987

RPI 854

Deferimento

#9.1

09/30/1986

RPI 832

Solicitação de exame técnico

#4.1

12/24/1985

RPI 792

Publicação do pedido de patente

#3.1

09/24/1985

RPI 779

Pedido de patente depositado

#2.1

05/15/1984

RPI 708

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

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