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Official data from INPI

GAXETA PARA HASTES DE ÊMBOLO

Arquivada/ExtintaInvention PatentPCT · CH1991000052
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Application data

Number

PI9105099

Type

Invention Patent

Filing

03/05/1991

Publication

08/04/1992

PCT

CH1991000052
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Progress at the INPI

  1. Filing03/05/91
  2. Publication08/04/92
  3. Examination11/16/93
  4. Allowance01/30/96
  5. Grant12/31/96
  6. Expired07/06/10

The letters patent expired on 07/06/2010: 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: 07/06/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Muller & Brauchli AG

CH

Inventors

U. M. (pessoa física)

CH

Technical data

IPC Classification

F02F 5/00F16J 15/26F16J 15/56F16J 9/20

Priority claims

CH

986/90-2 · 03/23/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/03/2006

07/06/2010

RPI 2061

Concessão da patente

#16.1

12/31/1996

RPI 1361

Notificação para pagamento de retribuição

#13.1

07/09/1996

RPI 1336

Deferimento

#9.1

01/30/1996

RPI 1313

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Notificação de entrada na fase nacional - PCT

#1.3

08/04/1992

RPI 1131

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