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Official data from INPI

BEDELHO EM UMA FECHADURA CILÍNDRICA ROTATIVA

Em AnáliseInvention Patent

Application data

Number

PI8706206

Type

Invention Patent

Filing

03/12/1987

Publication

02/23/1988

Progress at the INPI

  1. Filing03/12/87
  2. Publication02/23/88
  3. Examination04/05/88
  4. Allowance10/29/91
  5. Grant09/29/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. K. (pessoa física)

CH

See this company's full portfolio

Inventors

E. K. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1032/86 · 03/13/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Notificação de entrada na fase nacional - PCT

#1.3

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 12/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/29/1992

RPI 1139

Notificação para pagamento de retribuição

#13.1

03/10/1992

RPI 1110

Deferimento

#9.1

10/29/1991

RPI 1091

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