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Official data from INPI

AMORTECEDOR HIDRAULICO

ConcedidaInvention Patent

Application data

Number

PI7802031

Type

Invention Patent

Filing

04/01/1977

Publication

-

Progress at the INPI

  1. Filing04/01/77
  2. Publication
  3. Examination
  4. Allowance03/16/82
  5. Grant11/01/83
  6. Terminated06/29/93

The patent was granted on 11/01/1983 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/01/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOKICO LTD

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Inventors

K. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/01/1983

RPI 680

110

12/21/1982

RPI 635

Recurso

#12.1

07/20/1982

RPI 613

Deferimento

#9.1

03/16/1982

RPI 595

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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