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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE UM POLIMERO DE POLI(BROMO- ALQUENILA AROMÁTICO)

Em AnáliseInvention PatentPCT · US1986002430

Application data

Number

PI8607026

Type

Invention Patent

Filing

11/14/1986

Publication

12/22/1987

PCT

US1986002430

Progress at the INPI

  1. Filing11/14/86
  2. Publication12/22/87
  3. Examination11/28/89
  4. Allowance06/20/95
  5. Grant01/30/96
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

D. A. (pessoa física)

US

Technical data

Priority claims

US

798479 · 11/15/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/28/1989

RPI 997

Notificação de entrada na fase nacional - PCT

#1.3

12/22/1987

RPI 896

Carta-patente expirada

#21.1

Patente extinta em 14/11/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

10/31/1995

RPI 1300

Deferimento

#9.1

06/20/1995

RPI 1281

Exigência - art. 36 da LPI

#6.1

07/20/1993

RPI 1181

Exigência - art. 36 da LPI

#6.1

10/20/1992

RPI 1142

Exigência - art. 36 da LPI

#6.1

10/29/1991

RPI 1091

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