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Official data from INPI

PROCESSO E DISPOSITIVO PARA O ESFRIAMENTO DE CILINDROS

Arquivada/ExtintaInvention PatentPCT · CH1987000171

Application data

Number

PI8707599

Type

Invention Patent

Filing

12/14/1987

Publication

03/14/1989

PCT

CH1987000171

Progress at the INPI

  1. Filing12/14/87
  2. Publication03/14/89
  3. Examination02/01/90
  4. Allowance08/02/94
  5. Grant04/25/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 03/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lauener Engineering Ag

CH

P. R. (pessoa física)

FR

Inventors

W. L. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

5 132/86 · 12/22/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

03/14/1989

RPI 960

Carta-patente expirada

#21.1

Patente extinta em 14/12/2002

07/29/2008

RPI 1960

Transferência deferida

#25.1

Transferido de: Lauener Engineering Ag.

08/15/2000

RPI 1545

20.7

04/02/1996

RPI 1322

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

11/29/1994

RPI 1252

Deferimento

#9.1

08/02/1994

RPI 1235

Solicitação de exame técnico

#4.1

02/01/1990

RPI 1004

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