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Official data from INPI

DISPOSITIVO GIRATORIO AMORTECEDOR DE GOLPES,DE ACAO UNILATERAL ALTERNATIVA

Concessão AnuladaInvention Patent

Application data

Number

PI7902570

Type

Invention Patent

Filing

06/07/1978

Publication

-

Progress at the INPI

  1. Filing06/07/78
  2. Publication
  3. Examination01/12/82
  4. Allowance08/10/82
  5. Grant05/31/83
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 08/30/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PETRI AG

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Inventors

H. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

08/30/1983

RPI 671

Concessão da patente

#16.1

05/31/1983

RPI 658

Deferimento

#9.1

08/10/1982

RPI 616

Solicitação de exame técnico

#4.1

01/12/1982

RPI 586

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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