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Official data from INPI

DISSIPADOR POR IMPACTO

Arquivada/ExtintaInvention PatentPCT · CH1990000278

Application data

Number

PI9007242

Type

Invention Patent

Filing

12/04/1990

Publication

03/17/1992

PCT

CH1990000278

Progress at the INPI

  1. Filing12/04/90
  2. Publication03/17/92
  3. Examination03/30/93
  4. Allowance06/21/94
  5. Grant03/01/95
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Buehler AG

CH

See this company's full portfolio

Inventors

F. R. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

0311/90 · 01/31/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/12/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

03/01/1995

RPI 1265

Notificação para pagamento de retribuição

#13.1

10/25/1994

RPI 1247

Deferimento

#9.1

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

Notificação de entrada na fase nacional - PCT

#1.3

03/17/1992

RPI 1111

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