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Official data from INPI

COMPOSIÇÃO DE ADESIVO TERMOFUSÍVEL

PublicadaInvention Patent

Application data

Number

PI8801527

Type

Invention Patent

Filing

03/30/1988

Publication

11/08/1988

Progress at the INPI

  1. Filing03/30/88
  2. Publication11/08/88
  3. Examination03/19/91
  4. Allowance04/02/96
  5. Grant03/25/97
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 11/08/1988. 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

S. S. (pessoa física)

JP

T. W. (pessoa física)

JP

Technical data

Priority claims

JP

82778/87 · 04/03/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/08/1988

RPI 942

Pedido de patente depositado

#2.1

07/26/1988

RPI 927

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09J 3/14; C09J 3/12.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 30/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/25/1997

RPI 1373

Deferimento

#9.1

04/02/1996

RPI 1322

Exigência - art. 36 da LPI

#6.1

06/20/1995

RPI 1281

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

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