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Official data from INPI

MÉTODO E APARELHO PARA CONFORMAR UMA BORDA ESPESSADA EM CHAPA DE MATERIAL METÁLICO CONFORMÁVEL

Arquivada/ExtintaInvention PatentPCT · US1989003435

Application data

Number

PI8907891

Type

Invention Patent

Filing

08/11/1989

Publication

04/21/1992

PCT

US1989003435

Progress at the INPI

  1. Filing08/11/89
  2. Publication04/21/92
  3. Examination03/16/93
  4. Allowance03/01/95
  5. Grant10/31/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

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Inventors

D. B. (pessoa física)

US

D. A. (pessoa física)

US

M. C. (pessoa física)

US

P. S. (pessoa física)

US

R. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

7/354,187 · 05/19/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/08/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

10/31/1995

RPI 1300

Notificação para pagamento de retribuição

#13.1

07/18/1995

RPI 1285

Deferimento

#9.1

03/01/1995

RPI 1265

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Notificação de entrada na fase nacional - PCT

#1.3

04/21/1992

RPI 1116

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