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Official data from INPI

SISTEMA PARA CONTROLAR UM CILINDRO HIDRÁULICO DE DUPLO EFEITO

ConcedidaInvention Patent

Application data

Number

PI8301657

Type

Invention Patent

Filing

03/30/1983

Publication

12/13/1983

Progress at the INPI

  1. Filing03/30/83
  2. Publication12/13/83
  3. Examination05/20/86
  4. Allowance12/27/88
  5. Grant08/29/89
  6. Terminated02/18/92

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Deere & Company

US

See this company's full portfolio

Inventors

F. H. (pessoa física)

K. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

364.373 · 04/01/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/02/1989

RPI 967

Deferimento

#9.1

12/27/1988

RPI 949

Republicação - classificação IPC

#15.11

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

Solicitação de exame técnico

#4.1

05/20/1986

RPI 813

Publicação do pedido de patente

#3.1

12/13/1983

RPI 686

Pedido de patente depositado

#2.1

05/17/1983

RPI 656

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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