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Official data from INPI

PROCESSO PARA FORMAÇÃO DE UM FURO DE AGULHA DE SATURA CEGA

ConcedidaInvention Patent
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Application data

Number

PI8202652

Type

Invention Patent

Filing

05/07/1982

Publication

04/19/1983
View on INPI

Progress at the INPI

  1. Filing05/07/82
  2. Publication04/19/83
  3. Examination10/18/83
  4. Allowance04/22/86
  5. Grant11/25/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Matsutani Seisakusho, industrial e comercial

JP

Inventors

K. M. (pessoa física)

JP

Technical data

IPC Classification

B21G 1/08

Priority claims

JP

56-99604 · 06/29/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

08/26/1986

RPI 827

Deferimento

#9.1

04/22/1986

RPI 809

Republicação - classificação IPC

#15.11

04/01/1986

RPI 806

Exigência - art. 36 da LPI

#6.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

Publicação do pedido de patente

#3.1

04/19/1983

RPI 652

Pedido de patente depositado

#2.1

06/22/1982

RPI 609

Carta-patente expirada

#21.1

Patente extinta em 07/05/97

07/01/2008

RPI 1956

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