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Official data from INPI

MANCAL

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904267

Type

Invention Patent

Filing

08/24/1989

Publication

10/02/1990

Progress at the INPI

  1. Filing08/24/89
  2. Publication10/02/90
  3. Examination01/29/91
  4. Allowance03/24/92
  5. Grant02/24/93
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 12/22/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Torrington Company

US

See this company's full portfolio

Inventors

C. D. (pessoa física)

R. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

236.485 · 08/25/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/08/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

02/24/1993

RPI 1160

Notificação para pagamento de retribuição

#13.1

09/01/1992

RPI 1135

Deferimento

#9.1

03/24/1992

RPI 1112

Solicitação de exame técnico

#4.1

01/29/1991

RPI 1052

Publicação do pedido de patente

#3.1

10/02/1990

RPI 1035

Pedido de patente depositado

#2.1

04/17/1990

RPI 1014

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