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Official data from INPI

MEIOS APERFEICOADOS PARA FIXACAO E ARTICULACAO DE DEGRAUS

Em AnáliseUtility Model
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Application data

Number

MU6001355

Type

Utility Model

Filing

10/15/1980

Publication

06/22/1982
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Progress at the INPI

  1. Filing10/15/80
  2. Publication06/22/82
  3. Examination01/25/83
  4. Allowance01/24/84
  5. Grant08/28/84
  6. Terminated06/21/88

The patent was granted on 08/28/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. G. (pessoa física)

Inventors

R. G. (pessoa física)

Technical data

IPC Classification

E06C 1/38

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

08/28/1984

RPI 723

Republicação - classificação IPC

#15.11

08/07/1984

RPI 720

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Republicação - classificação IPC

#15.11

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

08/30/1983

RPI 671

Solicitação de exame técnico

#4.1

01/25/1983

RPI 640

Publicação do pedido de patente

#3.1

06/22/1982

RPI 609

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