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Official data from INPI

ARTIGOS DE PLÁSTICO BLINDADOS CONTRA RFI E PROCESSO PARA A PRODUÇÃO DOS MESMOS.

Em AnáliseInvention Patent

Application data

Number

PI8507026

Type

Invention Patent

Filing

11/05/1985

Publication

01/06/1987

Progress at the INPI

  1. Filing11/05/85
  2. Publication01/06/87
  3. Examination10/06/87
  4. Allowance01/19/93
  5. Grant06/29/93
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Enthone, Incorporated

US

See this company's full portfolio

Inventors

E. B. (pessoa física)

US

J. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

668.753 · 11/06/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Notificação de entrada na fase nacional - PCT

#1.3

01/06/1987

RPI 846

Carta-patente expirada

#21.1

Patente extinta em 05/11/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

05/04/1993

RPI 1170

Deferimento

#9.1

01/19/1993

RPI 1155

Exigência - art. 36 da LPI

#6.1

06/23/1992

RPI 1125

Exigência - art. 36 da LPI

#6.1

09/03/1991

RPI 1083

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