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Official data from INPI

PROCESSO PARA A IMPREGNAÇÃO DE FIBRAS ORGÂNICAS

Em AnáliseInvention Patent

Application data

Number

PI8600117

Type

Invention Patent

Filing

01/14/1986

Publication

09/23/1986

Progress at the INPI

  1. Filing01/14/86
  2. Publication09/23/86
  3. Examination07/19/88
  4. Allowance01/29/91
  5. Grant08/27/91
  6. Terminated09/26/95

The patent was granted on 08/27/1991 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: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wacker-Chemie GmbH

DE

See this company's full portfolio

Inventors

D. K. (pessoa física)

DE

D. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 03 457.2 · 02/01/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/19/1988

RPI 926

Publicação do pedido de patente

#3.1

09/23/1986

RPI 831

Pedido de patente depositado

#2.1

04/15/1986

RPI 808

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

05/14/1991

RPI 1067

Deferimento

#9.1

01/29/1991

RPI 1052

Exigência - art. 36 da LPI

#6.1

05/15/1990

RPI 1018

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