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Official data from INPI

DISPOSITIVO DE CONTROLE DE DESLIZAMENTO DE RODA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905551

Type

Invention Patent

Filing

10/31/1989

Publication

05/29/1990

Progress at the INPI

  1. Filing10/31/89
  2. Publication05/29/90
  3. Examination05/12/92
  4. Allowance11/24/98
  5. Grant06/01/99
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

D. K. (pessoa física)

US

E. B. (pessoa física)

US

H. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

265.377 · 10/31/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 31/10/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

06/01/1999

RPI 1482

Deferimento

#9.1

11/24/1998

RPI 1455

Solicitação de exame técnico

#4.1

05/12/1992

RPI 1119

Publicação do pedido de patente

#3.1

05/29/1990

RPI 1020

Pedido de patente depositado

#2.1

03/01/1990

RPI 1007

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