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Official data from INPI

INTERIOR DE MOLAS E PROCESSO DE QUADRAR INTERIOR DE MOLAS

Arquivada/ExtintaInvention PatentPCT · US1990001946

Application data

Number

PI9007302

Type

Invention Patent

Filing

04/10/1990

Publication

03/24/1992

PCT

US1990001946

Progress at the INPI

  1. Filing04/10/90
  2. Publication03/24/92
  3. Examination09/29/92
  4. Allowance12/24/96
  5. Grant11/25/97
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Leggett & Platt, Incorporated

US

Inventors

C. Y. (pessoa física)

US

T. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/340.372 · 04/19/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/04/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

11/25/1997

RPI 1408

Notificação para pagamento de retribuição

#13.1

05/13/1997

RPI 1380

Deferimento

#9.1

12/24/1996

RPI 1360

Exigência - art. 36 da LPI

#6.1

04/16/1996

RPI 1324

Solicitação de exame técnico

#4.1

09/29/1992

RPI 1139

Notificação de entrada na fase nacional - PCT

#1.3

03/24/1992

RPI 1112

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