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Official data from INPI

DISPOSITIVO DE ABSORCAO DE CHOQUES

ConcedidaInvention Patent

Application data

Number

PI7804652

Type

Invention Patent

Filing

07/25/1977

Publication

-

Progress at the INPI

  1. Filing07/25/77
  2. Publication
  3. Examination
  4. Allowance06/29/82
  5. Grant12/31/85
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOKICO LTD

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

06/18/1985

RPI 765

110

03/26/1985

RPI 753

Recurso

#12.1

10/19/1982

RPI 626

Deferimento

#9.1

06/29/1982

RPI 610

8.1

05/04/1982

RPI 602

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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