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Official data from INPI

ESTRUTURA REFRATÁRIA DE CAMADAS MULTIPLAS

Em AnáliseInvention Patent

Application data

Number

PI8600805

Type

Invention Patent

Filing

02/07/1986

Publication

11/04/1986

Progress at the INPI

  1. Filing02/07/86
  2. Publication11/04/86
  3. Examination02/23/88
  4. Allowance08/24/93
  5. Grant06/28/94
  6. Terminated09/26/95

The patent was granted on 06/28/1994 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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aerospatiale Societe Nationale Industrielle

FR

See this company's full portfolio

Inventors

D. P. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

85 02246 · 02/15/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/23/1988

RPI 905

Publicação do pedido de patente

#3.1

11/04/1986

RPI 837

Pedido de patente depositado

#2.1

08/12/1986

RPI 825

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

02/08/1994

RPI 1210

Deferimento

#9.1

08/24/1993

RPI 1186

Exigência - art. 36 da LPI

#6.1

11/03/1992

RPI 1144

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