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Official data from INPI

ELEMENTO PARA CONSTITUIÇÃO DE SUPERFÍCIES DE BLINDAGEM DE RADIAÇÕES IONIZANTES

Prazo de SigiloUtility Model

Application data

Number

MU6901084

Type

Utility Model

Filing

06/16/1989

Publication

04/30/1991

Progress at the INPI

  1. Filing06/16/89
  2. Publication04/30/91
  3. Examination07/02/91
  4. Allowance02/14/95
  5. Grant08/29/95
  6. Expired11/20/01

The letters patent expired on 11/20/2001: 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shin-Yo Proteções Radiológicas Ltda.

SP, BR

Inventors

Y. H. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/22/1989

RPI 983

Carta-patente expirada

#21.1

Patente extinta em 16/06/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

08/29/1995

RPI 1291

Deferimento

#9.1

02/14/1995

RPI 1263

Exigência - art. 36 da LPI

#6.1

10/25/1994

RPI 1247

15.5

11/12/1991

RPI 1093

Solicitação de exame técnico

#4.1

07/02/1991

RPI 1074

Publicação do pedido de patente

#3.1

04/30/1991

RPI 1065

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