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Official data from INPI

CONJUNTO FIXADOR ALONGADO

DeferidaInvention Patent

Application data

Number

PI8503277

Type

Invention Patent

Filing

07/09/1985

Publication

04/01/1986

Progress at the INPI

  1. Filing07/09/85
  2. Publication04/01/86
  3. Examination05/10/88
  4. Allowance12/05/89
  5. Grant06/26/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 12/05/1989. 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

D. R. (pessoa física)

US

P. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

629.330 · 07/10/1984

US

646.900 · 08/31/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

12/05/1989

RPI 998

6.2

05/09/1989

RPI 968

Solicitação de exame técnico

#4.1

05/10/1988

RPI 916

Publicação do pedido de patente

#3.1

04/01/1986

RPI 806

Pedido de patente depositado

#2.1

09/17/1985

RPI 778

Carta-patente expirada

#21.1

Patente extinta em 09/07/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

04/10/1990

RPI 1013

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