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Official data from INPI

PROCESSO PARA UNIR ADESIVAMENTE PELA BORDA UMA PILHA DE FOLHAS

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904275

Type

Invention Patent

Filing

08/25/1989

Publication

04/10/1990

Progress at the INPI

  1. Filing08/25/89
  2. Publication04/10/90
  3. Examination05/05/92
  4. Allowance08/27/96
  5. Grant04/29/97
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 12/22/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

J. W. (pessoa física)

US

K. P. (pessoa física)

US

Technical data

Priority claims

US

237,544 · 08/29/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 25/08/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

04/29/1997

RPI 1378

Notificação para pagamento de retribuição

#13.1

03/25/1997

RPI 1373

Deferimento

#9.1

08/27/1996

RPI 1343

Exigência - art. 36 da LPI

#6.1

12/12/1995

RPI 1306

Solicitação de exame técnico

#4.1

05/05/1992

RPI 1118

Publicação do pedido de patente

#3.1

04/10/1990

RPI 1013

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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