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Official data from INPI

COMPOSIÇÃO DE RESINA EPOXI CURÁVEL COM CALOR

Em ExigênciaInvention Patent

Application data

Number

PI8500594

Type

Invention Patent

Filing

02/08/1985

Publication

09/24/1985

Progress at the INPI

  1. Filing02/08/85
  2. Publication09/24/85
  3. Examination10/06/87
  4. Allowance10/30/90
  5. Grant05/28/91
  6. Terminated05/21/96

The patent was granted on 05/28/1991 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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

D. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

578.402 · 02/09/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Publicação do pedido de patente

#3.1

09/24/1985

RPI 779

Pedido de patente depositado

#2.1

04/30/1985

RPI 758

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

05/28/1991

RPI 1069

Notificação para pagamento de retribuição

#13.1

02/13/1991

RPI 1054

Deferimento

#9.1

10/30/1990

RPI 1039

Exigência - art. 36 da LPI

#6.1

04/03/1990

RPI 1012

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