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Official data from INPI

DISPOSITIVO INDICADOR DO GRAU DE OBSTRUÇÃO DE FILTROS PARA AR DE ADMISSÃO.

Em AnáliseInvention Patent

Application data

Number

PI8605877

Type

Invention Patent

Filing

12/02/1986

Publication

08/25/1987

Progress at the INPI

  1. Filing12/02/86
  2. Publication08/25/87
  3. Examination08/01/89
  4. Allowance11/09/93
  5. Abandoned
  6. In force

The application was allowed on 11/09/1993 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Filterwerk Mann & Hummel GmbH

DE

See this company's full portfolio

Inventors

H. M. (pessoa física)

DE

Technical data

Priority claims

DE

P 35 44 492.4 · 12/17/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/01/1989

RPI 980

Publicação do pedido de patente

#3.1

08/25/1987

RPI 879

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

Arquivamento - Art. 38 §2° da LPI

#11.4

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/22/1994

RPI 1216

Deferimento

#9.1

11/09/1993

RPI 1197

Exigência - art. 36 da LPI

#6.1

06/01/1993

RPI 1174

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