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Official data from INPI

COMPOSIÇÃO POLIMÉRICA RETICULÁVEL TENDO CAPACIDADE RETARDADORA DE CHAMA APERFEIÇOADA

ConcedidaInvention Patent

Application data

Number

PI8302100

Type

Invention Patent

Filing

04/25/1983

Publication

12/27/1983

Progress at the INPI

  1. Filing04/25/83
  2. Publication12/27/83
  3. Examination02/12/86
  4. Allowance06/20/89
  5. Grant11/28/89
  6. Terminated12/17/96

The patent was granted on 11/28/1989 and later terminated for failure to pay the annuities. The technology is in the public domain 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

N. C. (pessoa física)

US

Inventors

J. B. (pessoa física)

US

M. M. (pessoa física)

US

Technical data

Priority claims

US

371,688 · 04/26/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

10/17/1989

RPI 991

Deferimento

#9.1

06/20/1989

RPI 974

Exigência - art. 36 da LPI

#6.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

02/12/1986

RPI 799

Publicação do pedido de patente

#3.1

12/27/1983

RPI 688

Pedido de patente depositado

#2.1

06/07/1983

RPI 659

Anuidade - prazo legal encerrado

#18.2

12/17/1996

RPI 1359

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