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Official data from INPI

MUNIDOR PARA FOLHAS FLEXÍVEIS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002483

Type

Invention Patent

Filing

05/25/1990

Publication

08/13/1991

Progress at the INPI

  1. Filing05/25/90
  2. Publication08/13/91
  3. Examination11/23/93
  4. Allowance10/04/94
  5. Grant05/30/95
  6. Expired05/18/10

The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

Minnesota Mining And Manufacturing Company

US

See this company's full portfolio

Inventors

D. W. (pessoa física)

US

K. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/358,395 · 05/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 25/05/2005

05/18/2010

RPI 2054

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

02/07/1995

RPI 1262

Deferimento

#9.1

10/04/1994

RPI 1244

Solicitação de exame técnico

#4.1

11/23/1993

RPI 1199

Publicação do pedido de patente

#3.1

08/13/1991

RPI 1080

Pedido de patente depositado

#2.1

10/09/1990

RPI 1036

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