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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8104737

Type

Invention Patent

Filing

07/22/1981

Publication

04/13/1982

Progress at the INPI

  1. Filing07/22/81
  2. Publication04/13/82
  3. Examination05/08/84
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Terminated03/19/96

The patent was granted on 05/28/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Maschinenfabrik Rieter A.G.

CH

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Inventors

W. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Republicação - classificação IPC

#15.11

01/15/1985

RPI 743

Deferimento

#9.1

11/13/1984

RPI 734

Solicitação de exame técnico

#4.1

05/08/1984

RPI 707

Publicação do pedido de patente

#3.1

04/13/1982

RPI 599

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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