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Official data from INPI

FITA ADESIVA SENSÍVEL À PRESSÃO, E, PELICULA POLIMÉRICA

PublicadaInvention Patent

Application data

Number

PI8700232

Type

Invention Patent

Filing

01/21/1987

Publication

12/01/1987

Progress at the INPI

  1. Filing01/21/87
  2. Publication12/01/87
  3. Examination05/29/90
  4. Allowance09/05/95
  5. Grant04/30/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 12/01/1987. 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

A. S. (pessoa física)

US

D. K. (pessoa física)

US

Technical data

Priority claims

US

824.868 · 01/31/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/01/1987

RPI 893

Pedido de patente depositado

#2.1

05/19/1987

RPI 865

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09J 7/02; C08J 5/18; A41B 13/02.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 21/01/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

09/05/1995

RPI 1292

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

Solicitação de exame técnico

#4.1

05/29/1990

RPI 1020

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