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Official data from INPI

PARAFUSO TRANSPORTADOR

Em AnáliseInvention Patent

Application data

Number

PI8601447

Type

Invention Patent

Filing

04/01/1986

Publication

12/09/1986

Progress at the INPI

  1. Filing04/01/86
  2. Publication12/09/86
  3. Examination04/05/88
  4. Allowance05/02/89
  5. Grant01/09/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The International Metals Reclamation Company, Inc.

US

Inventors

F. O. (pessoa física)

US

J. M. (pessoa física)

US

J. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

719.310 · 04/03/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/02/1989

RPI 967

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Publicação do pedido de patente

#3.1

12/09/1986

RPI 842

Pedido de patente depositado

#2.1

10/21/1986

RPI 835

Carta-patente expirada

#21.1

Patente extinta em 01/04/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

01/09/1990

RPI 1001

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