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Official data from INPI

PROCESSO PARA PREPARAR POLÍMEROS TERMOFIXOS DO TIPO NORBORNENO

Em AnáliseInvention Patent

Application data

Number

PI8505780

Type

Invention Patent

Filing

11/18/1985

Publication

08/12/1986

Progress at the INPI

  1. Filing11/18/85
  2. Publication08/12/86
  3. Examination09/20/88
  4. Allowance10/08/91
  5. Grant06/30/92
  6. Terminated09/19/95

The patent was granted on 06/30/1992 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: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. I. (pessoa física)

US

See this company's full portfolio

Inventors

D. K. (pessoa física)

US

S. N. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

672.301 · 11/16/1984

US

672.567 · 11/16/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

08/12/1986

RPI 825

Pedido de patente depositado

#2.1

01/28/1986

RPI 797

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

02/11/1992

RPI 1106

Deferimento

#9.1

10/08/1991

RPI 1088

Exigência - art. 36 da LPI

#6.1

01/29/1991

RPI 1052

Exigência - art. 36 da LPI

#6.1

07/31/1990

RPI 1026

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