(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

ESPUMA DE POLIESTIRENO CONTENDO NEGRO DE FUMO

ArquivadaInvention PatentPCT · US1989005334

Application data

Number

PI8907799

Type

Invention Patent

Filing

11/27/1989

Publication

08/27/1991

PCT

US1989005334

Progress at the INPI

  1. Filing11/27/89
  2. Publication08/27/91
  3. Abandoned06/15/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/06/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

D. A. (pessoa física)

US

R. E. (pessoa física)

US

Technical data

Priority claims

US

275.849 · 11/25/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/06/1999

RPI 1474

Exigência - art. 36 da LPI

#6.1

05/26/1998

RPI 1431

Solicitação de exame técnico

#4.1

06/15/1993

RPI 1176

Notificação de entrada na fase nacional - PCT

#1.3

08/27/1991

RPI 1082

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.