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Official data from INPI

DISPOSITIVO PARA DESENROLAR UMA TIRA OU FOLHA CONTINUA DE UMA BOBINA SUPRIDORA

Em AnáliseInvention Patent

Application data

Number

PI7904406

Type

Invention Patent

Filing

07/12/1978

Publication

-

Progress at the INPI

  1. Filing07/12/78
  2. Publication
  3. Examination03/09/82
  4. Allowance09/28/82
  5. Grant04/26/83
  6. Terminated10/03/89

The patent was granted on 04/26/1983 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIG SCHWEIZ INDUSTRIEGES

Inventors

W. T. (pessoa física)

Z. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

02/01/1983

RPI 641

Deferimento

#9.1

09/28/1982

RPI 623

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

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