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Official data from INPI

MANCAL ANTI-FRICÇÃO PARA FACILITAR A ROTAÇÃO EM TORNO DE UM EIXO, E SUA COMBINÇÃO COM UMA CAIXA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101090

Type

Invention Patent

Filing

03/20/1991

Publication

11/05/1991

Progress at the INPI

  1. Filing03/20/91
  2. Publication11/05/91
  3. Examination07/06/93
  4. Allowance03/28/95
  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

The Timken Company

US

See this company's full portfolio

Inventors

G. K. (pessoa física)

US

H. H. (pessoa física)

US

R. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

496,854 · 03/21/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/03/2006

06/22/2010

RPI 2059

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

03/28/1995

RPI 1269

Exigência - art. 36 da LPI

#6.1

09/06/1994

RPI 1240

Solicitação de exame técnico

#4.1

07/06/1993

RPI 1179

Publicação do pedido de patente

#3.1

11/05/1991

RPI 1092

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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