(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

CONJUNTO DE DENTE DE CANTO LIBERÁVEL E DENTE DE CANTO LIBERÁVEL

Arquivada/ExtintaInvention PatentPCT · US1987003306

Application data

Number

PI8707950

Type

Invention Patent

Filing

12/15/1987

Publication

02/13/1990

PCT

US1987003306

Progress at the INPI

  1. Filing12/15/87
  2. Publication02/13/90
  3. Examination04/30/91
  4. Allowance03/17/92
  5. Grant01/26/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/29/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

See this company's full portfolio

Inventors

B. B. (pessoa física)

US

G. K. (pessoa física)

US

M. K. (pessoa física)

US

W. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

112,987 · 10/27/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

01/26/1993

RPI 1156

Notificação para pagamento de retribuição

#13.1

09/01/1992

RPI 1135

Deferimento

#9.1

03/17/1992

RPI 1111

Solicitação de exame técnico

#4.1

04/30/1991

RPI 1065

Notificação de entrada na fase nacional - PCT

#1.3

02/13/1990

RPI 1006

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.