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Official data from INPI

DISPOSITIVO SEPARADOR DE GOTÍCULAS DE ÓLEO DO AR

Em AnáliseUtility Model

Application data

Number

MU6600042

Type

Utility Model

Filing

01/17/1986

Publication

09/08/1987

Progress at the INPI

  1. Filing01/17/86
  2. Publication09/08/87
  3. Examination02/23/88
  4. Allowance10/19/93
  5. Grant06/28/94
  6. Expired03/26/96

The letters patent expired on 03/26/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Filterwerk Mann & Hummel GmbH

DE

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Inventors

H. E. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

G 85 01 736.1 · 01/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

02/23/1988

RPI 905

Publicação do pedido de patente

#3.1

09/08/1987

RPI 881

Pedido de patente depositado

#2.1

04/22/1986

RPI 809

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

03/15/1994

RPI 1215

Deferimento

#9.1

10/19/1993

RPI 1194

Exigência - art. 36 da LPI

#6.1

05/04/1993

RPI 1170

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