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Official data from INPI

SACO SUSPENSO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003740

Type

Invention Patent

Filing

07/31/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing07/31/90
  2. Publication09/03/91
  3. Examination08/17/93
  4. Allowance07/26/94
  5. Grant03/01/95
  6. Expired05/25/10

The letters patent expired on 05/25/2010: 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: 05/25/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CPC International Inc

US

CPC International Inc.

US

See this company's full portfolio

Inventors

K. B. (pessoa física)

DE

M. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

G 89 09 247.3 · 07/31/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 31/07/2005

05/25/2010

RPI 2055

Concessão da patente

#16.1

03/01/1995

RPI 1265

Notificação para pagamento de retribuição

#13.1

11/22/1994

RPI 1251

Deferimento

#9.1

07/26/1994

RPI 1234

Solicitação de exame técnico

#4.1

08/17/1993

RPI 1185

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/05/1991

RPI 1053

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