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Official data from INPI

ENGATE RÁPIDO COM APERTADOR TIPO CUNHA.

ConcedidaInvention Patent
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Application data

Number

PI8007378

Type

Invention Patent

Filing

11/12/1980

Publication

07/20/1982
View on INPI

Progress at the INPI

  1. Filing11/12/80
  2. Publication07/20/82
  3. Examination09/18/84
  4. Allowance02/17/87
  5. Grant08/25/87
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Yanmar do Brasil S/A

SP, BR

Inventors

W. S. (pessoa física)

Technical data

IPC Classification

F16B 21/09

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Deferimento

#9.1

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

05/06/1986

RPI 811

Exigência - art. 36 da LPI

#6.1

09/24/1985

RPI 779

Exigência - art. 36 da LPI

#6.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

07/20/1982

RPI 613

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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