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Official data from INPI

CONJUNTO DE FIXAÇÃO DE TRILHO A DORMENTE

Arquivada/ExtintaInvention PatentPCT · US1988004250

Application data

Number

PI8807827

Type

Invention Patent

Filing

12/02/1988

Publication

10/09/1990

PCT

US1988004250

Progress at the INPI

  1. Filing12/02/88
  2. Publication10/09/90
  3. Examination02/26/91
  4. Allowance04/06/93
  5. Grant09/28/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. C. (pessoa física)

US

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Inventors

S. O. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

128.174 · 12/03/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/12/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

07/27/1993

RPI 1182

Deferimento

#9.1

04/06/1993

RPI 1166

Solicitação de exame técnico

#4.1

02/26/1991

RPI 1056

Notificação de entrada na fase nacional - PCT

#1.3

10/09/1990

RPI 1036

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