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Official data from INPI

VÁLVULA DE SEGURANÇA E DIAFRAGMA PARA UMA VÁLVULA DE SEGURANÇA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000293

Type

Invention Patent

Filing

01/24/1990

Publication

11/27/1990

Progress at the INPI

  1. Filing01/24/90
  2. Publication11/27/90
  3. Examination03/30/93
  4. Allowance08/23/94
  5. Grant04/25/95
  6. Expired05/11/10

The letters patent expired on 05/11/2010: 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: 05/11/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sweepy International S.A

FR

Zarina Holding C.V

NL

See this company's full portfolio

Inventors

D. K. (pessoa física)

ZA

Technical data

IPC Classification

Priority claims

ZA

89/0570 · 01/25/1989

ZA

89/1648 · 03/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/01/2005

05/11/2010

RPI 2053

Transferência deferida

#25.1

11/04/1997

RPI 1405

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

12/20/1994

RPI 1255

Deferimento

#9.1

08/23/1994

RPI 1238

Exigência - art. 36 da LPI

#6.1

11/30/1993

RPI 1200

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

14.1

12/17/1991

RPI 1098

Publicação do pedido de patente

#3.1

11/27/1990

RPI 1043

Pedido de patente depositado

#2.1

05/22/1990

RPI 1019

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