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Official data from INPI

MONTAGEM DE RETENTOR DE TRILHO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001024

Type

Invention Patent

Filing

03/05/1990

Publication

02/26/1991

Progress at the INPI

  1. Filing03/05/90
  2. Publication02/26/91
  3. Examination03/30/93
  4. Allowance03/26/96
  5. Grant03/25/97
  6. Expired05/11/10

The letters patent expired on 05/11/2010: 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: 05/11/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Jervis B Webb International Company

US

Jervis B. Webb International Company

US

Inventors

C. M. (pessoa física)

US

E. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

319.544 · 03/06/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/03/2005

05/11/2010

RPI 2053

Concessão da patente

#16.1

03/25/1997

RPI 1373

Deferimento

#9.1

03/26/1996

RPI 1321

6.2

07/25/1995

RPI 1286

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

Publicação do pedido de patente

#3.1

02/26/1991

RPI 1056

Pedido de patente depositado

#2.1

06/26/1990

RPI 1024

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