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Official data from INPI

ARGOLA PORTA-CHAVES

Arquivada/ExtintaInvention PatentPCT · US1989003618

Application data

Number

PI8907083

Type

Invention Patent

Filing

08/22/1989

Publication

01/08/1991

PCT

US1989003618

Progress at the INPI

  1. Filing08/22/89
  2. Publication01/08/91
  3. Examination08/13/91
  4. Allowance07/16/96
  5. Grant08/26/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. T. (pessoa física)

US

L. C. (pessoa física)

US

Inventors

A. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

242.941 · 09/09/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/08/2009

05/21/2013

RPI 2211

Transferência deferida

#25.1

Transferido de: Anton Tsamas

10/09/2001

RPI 1605

Concessão da patente

#16.1

08/26/1997

RPI 1395

Notificação para pagamento de retribuição

#13.1

03/11/1997

RPI 1371

Deferimento

#9.1

07/16/1996

RPI 1337

Exigência - art. 36 da LPI

#6.1

06/27/1995

RPI 1282

Exigência - art. 36 da LPI

#6.1

01/17/1995

RPI 1259

Solicitação de exame técnico

#4.1

08/13/1991

RPI 1080

Notificação de entrada na fase nacional - PCT

#1.3

01/08/1991

RPI 1049

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