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Official data from INPI

DISPOSITIVO DE TRAVA APLICADA A REVOLVERES

Arquivada/ExtintaInvention Patent
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Application data

Number

PI8904218

Type

Invention Patent

Filing

08/17/1989

Publication

02/19/1991
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Progress at the INPI

  1. Filing08/17/89
  2. Publication02/19/91
  3. Examination05/14/91
  4. Allowance11/03/93
  5. Grant10/25/94
  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.

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Latest action published by the INPI: 12/22/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. A. (pessoa física)

RS, BR

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Inventors

I. N. (pessoa física)

BR

Technical data

IPC Classification

F41A 3/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/08/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

03/22/1994

RPI 1216

Deferimento

#9.1

11/03/1993

RPI 1196

Solicitação de exame técnico

#4.1

05/14/1991

RPI 1067

Publicação do pedido de patente

#3.1

02/19/1991

RPI 1055

Pedido de patente depositado

#2.1

09/11/1990

RPI 1032

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