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Official data from INPI

SENSOR DE MANCAL DE ESCORA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003274

Type

Invention Patent

Filing

07/09/1990

Publication

11/12/1991

Progress at the INPI

  1. Filing07/09/90
  2. Publication11/12/91
  3. Examination06/23/92
  4. Allowance06/28/94
  5. Grant03/28/95
  6. Expired05/25/10

The letters patent expired on 05/25/2010: 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: 05/25/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Torrington Company

US

See this company's full portfolio

Inventors

J. H. (pessoa física)

US

R. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

481.494 · 02/20/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 09/07/2005

05/25/2010

RPI 2055

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/01/1994

RPI 1248

Deferimento

#9.1

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Publicação do pedido de patente

#3.1

11/12/1991

RPI 1093

Pedido de patente depositado

#2.1

01/08/1991

RPI 1049

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