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Official data from INPI

Grade protetora.

Em AnáliseUtility Model

Application data

Number

MU6200660

Type

Utility Model

Filing

05/14/1982

Publication

03/15/1983

Progress at the INPI

  1. Filing05/14/82
  2. Publication03/15/83
  3. Examination05/10/83
  4. Allowance01/24/84
  5. Grant05/02/84
  6. Terminated10/30/90

The patent was granted on 05/02/1984 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: 02/18/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Construtora Barreto Barsotti Ltda

Inventors

B. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

02/18/1986

RPI 800

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Concessão da patente

#16.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

05/10/1983

RPI 655

Publicação antecipada

#3.2

03/15/1983

RPI 647

Pedido de patente depositado

#2.1

06/29/1982

RPI 610

Anuidade - prazo legal encerrado

#18.2

10/30/1990

RPI 1039

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