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Official data from INPI

DISPOSITIVO PARA AMOLAR TESOURAS E PROCESSO PARA AMOLAR TESOURAS.

ConcedidaInvention Patent

Application data

Number

PI7907340

Type

Invention Patent

Filing

11/13/1979

Publication

-

Progress at the INPI

  1. Filing11/13/79
  2. Publication
  3. Examination08/16/83
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wiltshire Cutlery Company Proprietary Limited

Inventors

J. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

07/24/1984

RPI 718

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

Solicitação de exame técnico

#4.1

08/16/1983

RPI 669

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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