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Official data from INPI

ESTEIRA DE ACIONAMENTO ELASTOMÉRICA SEM FIM E VEÍCULO DE TRABALHO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8607138

Type

Invention Patent

Filing

06/11/1986

Publication

04/19/1988

Progress at the INPI

  1. Filing06/11/86
  2. Publication04/19/88
  3. Examination01/02/90
  4. Allowance02/05/91
  5. Grant09/24/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

See this company's full portfolio

Inventors

R. G. (pessoa física)

US

Technical data

Priority claims

US

852.043 · 04/14/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

04/19/1988

RPI 913

Notificação de entrada na fase nacional - PCT

#1.3

12/22/1987

RPI 896

Carta-patente expirada

#21.1

Patente extinta em 11/06/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

09/24/1991

RPI 1086

Notificação para pagamento de retribuição

#13.1

05/21/1991

RPI 1068

Deferimento

#9.1

02/05/1991

RPI 1053

Solicitação de exame técnico

#4.1

01/02/1990

RPI 1000

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