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Official data from INPI

APARELHO E PROCESSO DE TREFILAR ARAME

Arquivada/ExtintaInvention PatentPCT · US1988002012
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Application data

Number

PI8807664

Type

Invention Patent

Filing

06/13/1988

Publication

08/07/1990

PCT

US1988002012
View on INPI

Progress at the INPI

  1. Filing06/13/88
  2. Publication08/07/90
  3. Examination04/21/92
  4. Allowance11/29/94
  5. Grant07/25/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Syncro Machine Co

US

Inventors

W. T. (pessoa física)

CA

Technical data

IPC Classification

B21C 1/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/06/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

04/04/1995

RPI 1270

Deferimento

#9.1

11/29/1994

RPI 1252

Solicitação de exame técnico

#4.1

06/16/1992

RPI 1124

4.2.1

06/16/1992

RPI 1124

Solicitação de exame técnico

#4.1

04/21/1992

RPI 1116

Solicitação de exame não realizada

#4.2

04/21/1992

RPI 1116

Notificação de entrada na fase nacional - PCT

#1.3

08/07/1990

RPI 1027

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