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Official data from INPI

LIGA DENTAL E AMALGAMA DENTAL

Arquivada/ExtintaInvention Patent

Application data

Number

PI7601824

Type

Invention Patent

Filing

03/28/1975

Publication

-

Progress at the INPI

  1. Filing03/28/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. Expired09/21/93

The letters patent expired on 09/21/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/21/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SYBRON CORP

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Inventors

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

Pedido de licença compulsória

#20.1

05/01/1990

RPI 1016

Pedido de licença compulsória

#20.1

04/24/1990

RPI 1015

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