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Official data from INPI

DISPOSITIVO DE BLINDAGEM DE RADIAÇÃO PARA GAMAGRAFIA

Em AnáliseInvention Patent

Application data

Number

PI8703683

Type

Invention Patent

Filing

07/15/1987

Publication

10/13/1987

Progress at the INPI

  1. Filing07/15/87
  2. Publication10/13/87
  3. Examination12/01/87
  4. Allowance05/21/91
  5. Grant11/24/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. S. (pessoa física)

PB, BR

Inventors

J. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/01/1987

RPI 893

Publicação antecipada

#3.2

10/13/1987

RPI 886

Pedido de patente depositado

#2.1

10/06/1987

RPI 885

Carta-patente expirada

#21.1

Patente extinta em 15/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

Deferimento

#9.1

05/21/1991

RPI 1068

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