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PTO
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Dossier
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Patent
D330344
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Priority
Aug 02 1990
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Filed
Aug 02 1990
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Issued
Oct 20 1992
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Expiry
Oct 20 2006
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Assg.orig
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Entity
unknown
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17
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3
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n/a
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The ornamental design for a gemstone, as shown and described.
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FIG. 1 is a top plan view of a gemstone showing my new design;
FIG. 2 is a right side elevational view; and,
FIG. 3 is a side elevational view.
Hedgecock, O. J.
| Patent |
Priority |
Assignee |
Title |
| 6422039, |
Jul 20 2000 |
D. Swarovski & Co. |
Gem |
| 6430963, |
Aug 30 2000 |
Simka Diamonds Corporation |
Diamond cut |
| 7225642, |
Sep 09 2003 |
Simka Diamonds |
Diamond cut |
| D366628, |
Nov 14 1994 |
HO, HENRY |
Diamond |
| D369758, |
Jun 21 1994 |
James W., Bryant |
Star-cut gem |
| D411133, |
Sep 01 1998 |
|
Hexagon shaped diamond |
| D419104, |
Jan 06 1999 |
|
Precious stone |
| D442880, |
Dec 23 1999 |
Montblanc-Simplo GmbH |
Cut gemstone, in particular cut diamond |
| D447439, |
Dec 23 1999 |
Montblanc-Simplo GmbH |
Cut gemstone, in particular cut diamond |
| D469379, |
May 30 2001 |
Am-Gold Products, Inc.; AM-GOLD CORP |
Six sided diamond |
| D476258, |
Apr 17 2002 |
|
Diamond |
| D479481, |
Jun 12 2001 |
Diamintangibles International, Ltd |
Precious stone |
| D536634, |
Apr 12 2005 |
BIRKS GROUP INC |
Diamond |
| D544807, |
Dec 20 2005 |
|
Diamond |
| D558636, |
Mar 22 2005 |
|
Gemstone |
| D573916, |
Mar 22 2005 |
|
Gemstone |
| D883847, |
Nov 11 2016 |
Realization Desal AG |
Cut stone |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a