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Official data from INPI

TRACAO TRASEIRA POSITIVA PARA TRATORES E MAQUINAS AGRICOLAS

Em AnáliseInvention Patent

Application data

Number

PI7804030

Type

Invention Patent

Filing

06/22/1978

Publication

-

Progress at the INPI

  1. Filing06/22/78
  2. Publication
  3. Examination
  4. Allowance10/11/83
  5. Grant04/24/84
  6. Terminated01/28/92

The patent was granted on 04/24/1984 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: 11/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BERTOLDO IND MEC LTD

Inventors

B. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

11/04/1986

RPI 837

Republicação - classificação IPC

#15.11

03/04/1986

RPI 802

210

01/14/1986

RPI 795

201

11/19/1985

RPI 787

Pedido de licença voluntária

#17.1

06/11/1985

RPI 764

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

05/17/1983

RPI 656

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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