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Official data from INPI

ARTIGOS CIRÚRGICOS

ConcedidaInvention Patent

Application data

Number

PI7803223

Type

Invention Patent

Filing

05/22/1978

Publication

-

Progress at the INPI

  1. Filing05/22/78
  2. Publication
  3. Examination
  4. Allowance11/08/83
  5. Grant04/24/84
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

M. R. (pessoa física)

US

R. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

799,836 · 05/23/1977

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/28/1984

RPI 697

Deferimento

#9.1

11/08/1983

RPI 681

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

Notificação para pagamento de retribuição

#13.1

04/13/1982

RPI 599

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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