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Official data from INPI

PARAFUSO DE RETENÇÃO COM ESFERA DE ENGATE

PublicadaInvention Patent

Application data

Number

PI8901139

Type

Invention Patent

Filing

03/10/1989

Publication

10/31/1989

Progress at the INPI

  1. Filing03/10/89
  2. Publication10/31/89
  3. Examination07/09/91
  4. Allowance02/08/94
  5. Grant08/30/94
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fag Kugelfischer Georg Schaefer Kommanditgesellschaft Auf Aktien

DE

Inventors

J. B. (pessoa física)

DE

M. T. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 08 375.2 · 03/12/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/31/1989

RPI 993

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Carta-patente expirada

#21.1

Patente extinta em 10/03/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/31/1994

RPI 1226

Deferimento

#9.1

02/08/1994

RPI 1210

Solicitação de exame técnico

#4.1

07/09/1991

RPI 1075

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