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Official data from INPI

BUCHA PARA BROCAS COM AUTO-APERTO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002903

Type

Invention Patent

Filing

06/20/1990

Publication

08/20/1991

Progress at the INPI

  1. Filing06/20/90
  2. Publication08/20/91
  3. Examination01/14/92
  4. Allowance03/15/94
  5. Grant11/29/94
  6. Expired05/25/10

The letters patent expired on 05/25/2010: 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: 05/25/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. R. (pessoa física)

DE

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Inventors

G. R. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 20 075.2 · 06/20/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/06/2005

05/25/2010

RPI 2055

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

06/28/1994

RPI 1230

Deferimento

#9.1

03/15/1994

RPI 1215

Solicitação de exame técnico

#4.1

01/14/1992

RPI 1102

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

11/27/1990

RPI 1043

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