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Official data from INPI

ACIONADOR DE VÁLVULA COM TRAVAMENTO HIDRÁULICO.

Em AnáliseInvention Patent

Application data

Number

PI8009114

Type

Invention Patent

Filing

10/17/1980

Publication

08/24/1982

Progress at the INPI

  1. Filing10/17/80
  2. Publication08/24/82
  3. Examination02/28/84
  4. Allowance12/17/85
  5. Grant08/26/86
  6. Terminated08/09/94

The patent was granted on 08/26/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

See this company's full portfolio

Inventors

G. [. (pessoa física)

Technical data

IPC Classification

Priority claims

US

80/01399 · 10/17/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

04/12/1988

RPI 912

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/17/1985

RPI 791

4.1.1

06/12/1984

RPI 712

Solicitação de exame técnico

#4.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

02/28/1984

RPI 697

Notificação de entrada na fase nacional - PCT

#1.3

08/24/1982

RPI 618

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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