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Official data from INPI

Sistema transportador, correia transportadora sem fim e módulo de correia

ConcedidaInvention Patent

Application data

Number

PI8500198

Type

Invention Patent

Filing

01/17/1985

Publication

11/19/1985

Progress at the INPI

  1. Filing01/17/85
  2. Publication11/19/85
  3. Examination11/25/86
  4. Allowance05/10/88
  5. Grant12/27/88
  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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Cambridge Wire Cloth Company

US

Inventors

R. B. (pessoa física)

US

W. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

577.361 · 02/06/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/10/1988

RPI 916

Exigência - art. 36 da LPI

#6.1

10/13/1987

RPI 886

Solicitação de exame técnico

#4.1

11/25/1986

RPI 840

Publicação do pedido de patente

#3.1

11/19/1985

RPI 787

Pedido de patente depositado

#2.1

04/16/1985

RPI 756

Carta-patente expirada

#21.1

Patente extinta em 17/01/2000

07/15/2008

RPI 1958

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