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Official data from INPI

APARELHO PARA A RETIRADA DE TRAMA DE DESCARREGADOR DE UM CARDADOR

Em AnáliseInvention Patent

Application data

Number

PI7808726

Type

Invention Patent

Filing

12/27/1977

Publication

-

Progress at the INPI

  1. Filing12/27/77
  2. Publication
  3. Examination04/27/82
  4. Allowance02/14/84
  5. Grant09/25/84
  6. Terminated05/17/88

The patent was granted on 09/25/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RIETER DEUTSCHLAND GMBH

Inventors

R. H. (pessoa física)

R. H. (pessoa física)

R. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Conhecimento de parecer técnico

#7.1

07/26/1983

RPI 666

Solicitação de exame técnico

#4.1

04/27/1982

RPI 601

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