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Official data from INPI

PRENDEDOR PARA PRESILHA DE TRILHO

Concessão AnuladaInvention Patent

Application data

Number

PI8000092

Type

Invention Patent

Filing

01/08/1980

Publication

-

Progress at the INPI

  1. Filing01/08/80
  2. Publication
  3. Examination11/03/81
  4. Allowance05/31/83
  5. Grant12/27/83
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 03/20/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MCKAY RALPH LTD

Inventors

V. H. (pessoa física)

Y. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

03/20/1984

RPI 700

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Solicitação de exame técnico

#4.1

11/03/1981

RPI 576

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

Pedido de licença compulsória

#20.1

02/09/1993

RPI 1158

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