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Official data from INPI

FITA ADESIVA,NORMALMENTE PEGAJOSA,SENSIVEL A PRESSAO

ConcedidaInvention Patent

Application data

Number

PI7902373

Type

Invention Patent

Filing

04/19/1978

Publication

-

Progress at the INPI

  1. Filing04/19/78
  2. Publication
  3. Examination10/06/81
  4. Allowance07/19/83
  5. Grant01/31/84
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 01/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG

See this company's full portfolio

Inventors

G. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Republicação - classificação IPC

#15.11

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

11/30/1982

RPI 632

6.2

05/04/1982

RPI 602

Solicitação de exame técnico

#4.1

10/06/1981

RPI 572

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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