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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8103486

Type

Invention Patent

Filing

06/02/1981

Publication

02/24/1982

Progress at the INPI

  1. Filing06/02/81
  2. Publication02/24/82
  3. Examination07/05/83
  4. Allowance04/08/86
  5. Grant10/29/86
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 10/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mapal Fabrik Fur Prazisionswerkzeuge Dr. Kress KG.

DE

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Inventors

H. F. (pessoa física)

K. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1986

RPI 836

Notificação para pagamento de retribuição

#13.1

08/12/1986

RPI 825

Deferimento

#9.1

04/08/1986

RPI 807

Pedido de certificado de adição de invenção

#5.1

11/16/1983

RPI 682

Solicitação de exame técnico

#4.1

07/05/1983

RPI 663

Publicação do pedido de patente

#3.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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