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Official data from INPI

EMBREAGEM DE ATRITO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100110

Type

Invention Patent

Filing

01/11/1991

Publication

10/22/1991

Progress at the INPI

  1. Filing01/11/91
  2. Publication10/22/91
  3. Examination08/17/93
  4. Allowance03/14/95
  5. Grant10/31/95
  6. Expired06/22/10

The letters patent expired on 06/22/2010: 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: 06/22/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fichtel & Sachs AG

DE

See this company's full portfolio

Inventors

A. M. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

DE

G 90 00 323.3 · 01/13/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/01/2006

06/22/2010

RPI 2059

Concessão da patente

#16.1

10/31/1995

RPI 1300

Notificação para pagamento de retribuição

#13.1

08/29/1995

RPI 1291

Deferimento

#9.1

03/14/1995

RPI 1267

Solicitação de exame técnico

#4.1

08/17/1993

RPI 1185

Publicação do pedido de patente

#3.1

10/22/1991

RPI 1090

Pedido de patente depositado

#2.1

07/30/1991

RPI 1078

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