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Official data from INPI

COMPOSIÇÃO DE RESINA EPÓXI E PROCESSO PARA PREPARAR LAMINADOS ELÉTRICOS

Em AnáliseInvention Patent

Application data

Number

PI8505172

Type

Invention Patent

Filing

01/30/1985

Publication

01/21/1986

Progress at the INPI

  1. Filing01/30/85
  2. Publication01/21/86
  3. Examination11/24/87
  4. Allowance04/30/91
  5. Grant11/26/91
  6. Terminated09/19/95

The patent was granted on 11/26/1991 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: 11/24/1987. 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. K. (pessoa física)

DE

R. K. (pessoa física)

FR

R. U. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 03 172.3 · 01/31/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/24/1987

RPI 892

Notificação de entrada na fase nacional - PCT

#1.3

01/21/1986

RPI 796

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

Exigência - art. 36 da LPI

#6.1

10/23/1990

RPI 1038

Exigência - art. 36 da LPI

#6.1

04/03/1990

RPI 1012

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