FR728222A - Manufacturing process of iridescent stones - Google Patents

Manufacturing process of iridescent stones

Info

Publication number
FR728222A
FR728222A FR728222DA FR728222A FR 728222 A FR728222 A FR 728222A FR 728222D A FR728222D A FR 728222DA FR 728222 A FR728222 A FR 728222A
Authority
FR
France
Prior art keywords
iridescent
stones
manufacturing process
manufacturing
iridescent stones
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Jean-Baptiste Strasbach
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR728222A publication Critical patent/FR728222A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • A44C17/002—Gems made of several cut pieces
    • A44C17/003—Doublet stones
FR728222D 1931-12-14 1931-12-14 Manufacturing process of iridescent stones Expired FR728222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR728222T 1931-12-14

Publications (1)

Publication Number Publication Date
FR728222A true FR728222A (en) 1932-07-02

Family

ID=9111716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728222D Expired FR728222A (en) 1931-12-14 1931-12-14 Manufacturing process of iridescent stones

Country Status (1)

Country Link
FR (1) FR728222A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1977659A1 (en) 2007-04-05 2008-10-08 Cielo S.R.L. Method for producing precious or semi-precious stones
ITRA20090032A1 (en) * 2009-09-28 2011-03-29 Futurgem S R L DECORATIVE ELEMENTS OF TRANSPARENT MATERIAL AND METHOD TO MAKE THEM IRIDESCENT INTERNALLY.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1977659A1 (en) 2007-04-05 2008-10-08 Cielo S.R.L. Method for producing precious or semi-precious stones
ITRA20090032A1 (en) * 2009-09-28 2011-03-29 Futurgem S R L DECORATIVE ELEMENTS OF TRANSPARENT MATERIAL AND METHOD TO MAKE THEM IRIDESCENT INTERNALLY.

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