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Official data from INPI

MECANISMO DE LIBERAÇÃO RADIAL DE ELEMENTO ROLANTE

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905009

Type

Invention Patent

Filing

10/03/1989

Publication

05/08/1990

Progress at the INPI

  1. Filing10/03/89
  2. Publication05/08/90
  3. Examination08/21/90
  4. Allowance04/20/93
  5. Grant10/26/93
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

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Inventors

H. F. (pessoa física)

US

S. E. (pessoa física)

US

T. K. (pessoa física)

US

W. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

254,058 · 10/06/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 03/10/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

10/26/1993

RPI 1195

Notificação para pagamento de retribuição

#13.1

08/17/1993

RPI 1185

Deferimento

#9.1

04/20/1993

RPI 1168

Exigência - art. 36 da LPI

#6.1

07/21/1992

RPI 1129

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

Publicação do pedido de patente

#3.1

05/08/1990

RPI 1017

Pedido de patente depositado

#2.1

03/01/1990

RPI 1007

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