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Patent
D449558
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Priority
Feb 12 2001
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Filed
Feb 12 2001
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Issued
Oct 23 2001
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Expiry
Oct 23 2015
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Assg.orig
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Entity
unknown
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8
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21
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n/a
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The ornamental design of a gemstone, as shown and described.
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FIG. 1 is a side view of a first embodiment of a gemstone according to the
present invention;
FIG. 2 is a top view of the gemstone of FIG. 1;
FIG. 3 is a side view of a second embodiment of the gemstone according to
the present invention; and,
FIG. 4 is a bottom view of the gemstone of FIG. 3.
The broken lines are provide for illustrative purposes only and form no
part of the claimed design.
Cheng, Nai Yan
| Patent |
Priority |
Assignee |
Title |
| D463753, |
Feb 12 2001 |
CONTINENTAL JEWELLERY MFG LTD |
Gemstone |
| D512935, |
Jan 06 2004 |
|
Diamond or precious stone |
| D526237, |
Nov 06 2002 |
ROSY BLUE, N V |
Precious stone flower design |
| D527671, |
May 05 2004 |
CONTINENTAL JEWELLERY MFG LTD |
Jewelry setting/gemstone arrangement |
| D530643, |
Apr 10 2003 |
ROSY BLUE, N.V. |
Precious stone flower design |
| D953194, |
Jul 31 2020 |
LOUIS VUITTON MALLETIER |
Precious stone |
| D953195, |
Jul 31 2020 |
LOUIS VUITTON MALLETIER |
Precious stone |
| D960761, |
Oct 12 2018 |
LOUIS VUITTON MALLETIER |
Precious stone |
| Patent |
Priority |
Assignee |
Title |
| 3286486, |
|
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| 3490250, |
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| 3585764, |
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| 3763665, |
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| 3788097, |
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| 3875760, |
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| 4118949, |
May 27 1976 |
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Brilliantized step cut stone |
| 5462474, |
May 24 1994 |
SWAGER, RONALD W |
Method of facetting a gem |
| 5533364, |
Dec 08 1993 |
Am-Gold |
Facing marquis halves to form a marquis stone |
| 5657646, |
Oct 04 1994 |
|
Jewel having multiple culets |
| 5657647, |
Apr 02 1992 |
|
Cut diamond |
| 5761020, |
Jan 29 1996 |
International Rectifier Corporation |
Fast switching smartfet |
| 6006548, |
Sep 12 1996 |
FABRIKANT INVENTORY, LLC |
Facet cut structure for gemstones to enhance brilliance |
| 141258, |
|
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|
| 141269, |
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| D287232, |
Mar 21 1984 |
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Diamond |
| D384592, |
Mar 14 1996 |
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Flower-shaped cut diamond |
| D398552, |
Mar 14 1996 |
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Flower-shaped cut diamond |
| D419104, |
Jan 06 1999 |
|
Precious stone |
| D431492, |
Dec 17 1999 |
DIAMWAG, besloten vennootschap met beperkte aansprakelijkheid |
Precious stone |
| D442880, |
Dec 23 1999 |
Montblanc-Simplo GmbH |
Cut gemstone, in particular cut diamond |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a