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Official data from INPI

CARREGADOR DE ARTIGOS COM FUNDO DE SUSPENSÃO

Arquivada/ExtintaInvention PatentPCT · US1989003967

Application data

Number

PI8907116

Type

Invention Patent

Filing

09/18/1989

Publication

02/05/1991

PCT

US1989003967

Progress at the INPI

  1. Filing09/18/89
  2. Publication02/05/91
  3. Examination07/09/91
  4. Allowance01/18/94
  5. Grant05/31/94
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

L. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

256.900 · 10/13/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/09/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

07/09/1991

RPI 1075

Notificação de entrada na fase nacional - PCT

#1.3

02/05/1991

RPI 1053

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