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Official data from INPI

ESTRIBO DE METAL FERROSO PARA UMA JUNTA UNIVERSAL E A DITA JUNTA UNIVERSAL

PublicadaInvention Patent

Application data

Number

PI8806410

Type

Invention Patent

Filing

12/06/1988

Publication

08/22/1989

Progress at the INPI

  1. Filing12/06/88
  2. Publication08/22/89
  3. Examination08/27/91
  4. Allowance11/17/92
  5. Grant05/25/93
  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.

Talk to a specialist

Latest action published by the INPI: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

R. G. (pessoa física)

Technical data

IPC Classification

Priority claims

US

255,710 · 12/07/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/22/1989

RPI 983

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Carta-patente expirada

#21.1

Patente extinta em 06/12/2003

09/02/2008

RPI 1965

16.3

09/14/1993

RPI 1189

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

04/06/1993

RPI 1166

Deferimento

#9.1

11/17/1992

RPI 1146

Solicitação de exame técnico

#4.1

08/27/1991

RPI 1082

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