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Official data from INPI

VÁLVULA ELÉTRICA PARA LÍQUIDOS CONTAMINADOS

Em AnáliseInvention Patent

Application data

Number

PI8405501

Type

Invention Patent

Filing

10/29/1984

Publication

06/03/1986

Progress at the INPI

  1. Filing10/29/84
  2. Publication06/03/86
  3. Examination03/17/87
  4. Allowance12/29/87
  5. Grant08/30/88
  6. Terminated07/04/95

The patent was granted on 08/30/1988 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalúrgica Triches Ltda

RS, BR

Triches S/A.

RS, BR

See this company's full portfolio

Inventors

P. T. (pessoa física)

BR

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

08/22/1989

RPI 983

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

03/17/1987

RPI 856

Publicação do pedido de patente

#3.1

06/03/1986

RPI 815

Pedido de patente depositado

#2.1

01/15/1985

RPI 743

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

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