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Official data from INPI

DISPOSITIVO DE NIVELAMENTO AUTOMÁTICO

Em AnáliseInvention PatentPCT · EP1981000090

Application data

Number

PI8108903

Type

Invention Patent

Filing

06/30/1981

Publication

10/26/1982

PCT

EP1981000090

Progress at the INPI

  1. Filing06/30/81
  2. Publication10/26/82
  3. Examination02/07/84
  4. Allowance09/25/84
  5. Grant03/26/85
  6. Terminated05/24/88

The patent was granted on 03/26/1985 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. B. (pessoa física)

Inventors

B. C. (pessoa física)

Technical data

IPC Classification

Priority claims

NL

8003860 · 07/03/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

02/07/1984

RPI 694

Notificação de entrada na fase nacional - PCT

#1.3

10/26/1982

RPI 627

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