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Official data from INPI

DISPOSITIVO DETETOR DE RASGOS EM CORREIAS TRANSPORTADORAS

ConcedidaInvention Patent

Application data

Number

PI8400840

Type

Invention Patent

Filing

02/23/1984

Publication

10/01/1985

Progress at the INPI

  1. Filing02/23/84
  2. Publication10/01/85
  3. Examination09/01/87
  4. Allowance06/28/88
  5. Grant09/26/89
  6. Terminated12/24/96

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS

MG, BR

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Inventors

G. O. (pessoa física)

BR

J. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

01/17/1989

RPI 952

Deferimento

#9.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Publicação do pedido de patente

#3.1

10/01/1985

RPI 780

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

Cessão de direito de exploração

#22.1

09/11/1990

RPI 1032

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