| 
 | The ornamental design for an optical add-drop multiplexer, as shown and described. | |||||||||||||||||
FIG. 1 is a perspective view of an optical add-drop multiplexer showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a right side view thereof, a left side view thereof being a mirror image; and,
FIG. 6 is a rear elevation view thereof.
Shiraishi, Makoto, Katsuyama, Yutaka, Sakaguchi, Keiji
| Patent | Priority | Assignee | Title | 
| 7753329, | Apr 25 2005 | Rosen Sunvisor Systems, LLC | Universal equipment mount | 
| D583319, | Jul 27 2006 | Mitsumi Electric Co., Ltd | Optical active connector | 
| D678205, | Apr 09 2012 | RIT Technologies Ltd. | Telecommunication connector | 
| Patent | Priority | Assignee | Title | 
| 4626057, | Oct 21 1985 | The Siemon Company | Eight conductor modular plug | 
| 5579425, | Aug 30 1995 | Fitel USA Corporation | Anti-snag duplex connector | 
| 5647043, | Oct 12 1995 | FURUKAWA ELECTRIC NORTH AMERICA, INC | Unipartite jack receptacle | 
| 5923805, | Dec 22 1997 | FURUKAWA ELECTRIC NORTH AMERICA, INC | Connector for plastic optical fiber | 
| 6102581, | Jun 16 1998 | AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LIMITED | Optical adapter including a ferrule assembly | 
| 6250817, | Oct 19 1999 | FURUKAWA ELECTRIC NORTH AMERICA, INC | Device that attaches to the boot of an optical fiber simplex connector to provide the connector with anti-snagging and/or polarity identification features | 
| 6409392, | Oct 19 1999 | FURUKAWA ELECTRIC NORTH AMERICA, INC | Duplex clip for clipping two optical fiber simplex connectors together to form a duplex connector | 
| D304028, | Sep 10 1986 | Hirose Electric Co., Ltd. | Electrical connector plug | 
| D481680, | Oct 25 2002 | CLOUD NETWORK TECHNOLOGY SINGAPORE PTE LTD | Optical connector | 
| TW560933, | 
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| May 14 2004 | SHIRAISHI, MAKOTO | J S T MFG CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015481/ | 0443 | |
| May 14 2004 | SAKAGUCHI, KEIJI | J S T MFG CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015481/ | 0443 | |
| May 21 2004 | KATSUYAMA, YUTAKA | J S T MFG CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015481/ | 0443 | |
| Jun 15 2004 | J.S.T. Mfg. Co., Ltd. | (assignment on the face of the patent) | / | 
| Date | Maintenance Fee Events | 
| Date | Maintenance Schedule |