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Patent
D730894
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Priority
Oct 18 2012
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Filed
Apr 09 2013
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Issued
Jun 02 2015
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Expiry
Jun 02 2029
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Assg.orig
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Entity
unknown
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13
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17
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n/a
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The ornamental design for a magnetic disc storage unit for electronic computer, as shown.
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FIG. 1 is a front, top and right side perspective view of a magnetic disc storage unit for electronic computer showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Kumagai, Kenta, Utsuki, Toshiyuki, Umezawa, Koichi, Kasahara, Yoshikatsu, Hokari, Junpei, Yokoi, Chikazu
| Patent |
Priority |
Assignee |
Title |
| D768129, |
Feb 13 2015 |
NEW CONCEPTS DEVELOPMENT CORPORATION |
Storage device |
| D888051, |
May 04 2018 |
Hewlett-Packard Development Company, L.P. |
Computer |
| D935583, |
Jan 11 2019 |
The Marley Company LLC |
Boiler |
| D948504, |
Oct 07 2019 |
Hitachi, LTD |
Portion of a magnetic disc storage unit for electronic computer |
| D949850, |
Oct 07 2019 |
Hitachi, LTD |
Portion of a magnetic disc storage unit for electronic computer |
| D956734, |
Oct 07 2019 |
Hitachi, LTD |
Magnetic disc storage unit for electronic computer |
| D989144, |
May 14 2021 |
HITACHI HIGH-TECH CORPORATION |
Apparatus for evaluating semiconductor substrate |
| D989830, |
May 14 2021 |
HITACHI HIGH-TECH CORPORATION |
Semiconductor substrate transfer apparatus |
| D989831, |
May 14 2021 |
HITACHI HIGH-TECH CORPORATION |
Apparatus for evaluating semiconductor substrate |
| ER6462, |
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| ER7005, |
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| ER7490, |
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| ER8606, |
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| Patent |
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Title |
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Apr 13 1993 |
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May 19 1989 |
Kabushiki Kaisha Toshiba |
Operation controller equipped with magnetic disk drive and magnetic tape drive for electronic computer |
| D335285, |
Jan 28 1991 |
Hitachi, Ltd. |
Magnetic disc storage unit for electronic computer |
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Feb 25 1994 |
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Hitachi, LTD |
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Oct 20 1999 |
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Hitachi, Ltd. |
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Hitachi, Ltd. |
Magnetic disc storage unit for electronic computer |
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May 14 2007 |
Hitachi, Ltd. |
Magnetic disc storage unit for electronic computer |
| D575781, |
May 14 2007 |
Hitachi, Ltd. |
Magnetic disc storage unit for electronic computer |
| D690694, |
Mar 08 2011 |
Hitachi, Ltd. |
Magnetic disk storage unit for electronic computer |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 27 2013 | HOKARI, JUNPEI | Hitachi, LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030177 | /0587 |
pdf |
| Feb 27 2013 | UTSUKI, TOSHIYUKI | Hitachi, LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030177 | /0587 |
pdf |
| Feb 27 2013 | UMEZAWA, KOICHI | Hitachi, LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030177 | /0587 |
pdf |
| Feb 27 2013 | KUMAGAI, KENTA | Hitachi, LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030177 | /0587 |
pdf |
| Feb 28 2013 | YOKOI, CHIKAZU | Hitachi, LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030177 | /0587 |
pdf |
| Mar 01 2013 | KASAHARA, YOSHIKATSU | Hitachi, LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030177 | /0587 |
pdf |
| Apr 09 2013 | | Hitachi, Ltd. | (assignment on the face of the patent) | | / |
| Apr 01 2024 | Hitachi, LTD | HITACHI VANTARA, LTD | COMPANY SPLIT | 069518 | /0761 |
pdf |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
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