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Official data from INPI

FREIO A TAMBOR

PublicadaInvention Patent

Application data

Number

PI8805498

Type

Invention Patent

Filing

10/25/1988

Publication

07/04/1989

Progress at the INPI

  1. Filing10/25/88
  2. Publication07/04/89
  3. Examination06/19/90
  4. Allowance10/08/91
  5. Grant05/26/92
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfred Teves GmbH

DE

See this company's full portfolio

Inventors

K. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3738088.5 · 11/10/1987

DE

P37380885 · 11/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/04/1989

RPI 976

Pedido de patente depositado

#2.1

03/14/1989

RPI 960

Carta-patente expirada

#21.1

Patente extinta em 25/10/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

02/11/1992

RPI 1106

Deferimento

#9.1

10/08/1991

RPI 1088

Solicitação de exame técnico

#4.1

06/19/1990

RPI 1023

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