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Official data from INPI

APARELHO E PROCESSO DE PRENSAGEM HIDRÁULICA

Arquivada/ExtintaInvention PatentPCT · EP1989000610

Application data

Number

PI8907481

Type

Invention Patent

Filing

05/30/1989

Publication

05/28/1991

PCT

EP1989000610

Progress at the INPI

  1. Filing05/30/89
  2. Publication05/28/91
  3. Examination10/01/91
  4. Allowance01/18/94
  5. Grant08/30/94
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S.I.T.I. Società Impianti Termoelettrici Industriali S.p.A

IT

U. W. (pessoa física)

IT

U. W. (pessoa física)

IT

Inventors

R. B. (pessoa física)

IT

U. W. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

19202 A/88 · 01/26/1989

IT

19203 A/89 · 01/26/1989

IT

20936 A/88 · 06/10/1988

IT

20937 A/88 · 06/10/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/05/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

10/01/1991

RPI 1087

Notificação de entrada na fase nacional - PCT

#1.3

05/28/1991

RPI 1069

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