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Patent
D758228
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Priority
Sep 30 2013
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Filed
Jun 01 2015
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Issued
Jun 07 2016
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Expiry
Jun 07 2031
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Assg.orig
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Entity
unknown
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6
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8
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n/a
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The ornamental design for a sight glass for refrigeration valve, substantially as shown.
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FIG. 1 is a front, top perspective view of a sight glass for refrigeration valve comprising a new, original and ornamental design;
FIG. 2 is a bottom view thereof;
FIG. 3 is a front view, with the rear, right-hand side and left-hand side views being mirror images thereof; and,
FIG. 4 is a top view thereof.
Harck, Kurt, Larsen, Sigurd
| Patent |
Priority |
Assignee |
Title |
| 4162826, |
Mar 20 1978 |
PFAUDLER, INC |
Sight glass assembly and method for its production |
| 4584914, |
Aug 01 1984 |
Champion International Corporation |
Retainer wrench |
| 5125269, |
Oct 15 1991 |
REGAL PLASTICS SUPPLY OF OMAHA, A MO CORPORATION |
Sight glass |
| 5210658, |
Feb 18 1992 |
Pressure Products Company, Inc. |
Sight glass assembly |
| 5482358, |
Aug 25 1994 |
DUAL DYNAMICS, INC |
Vented plug for a hubcap |
| 8316708, |
Apr 27 2009 |
JIKOH Manufacturing, Inc. |
Illuminated sight glass |
| 9175999, |
Apr 16 2009 |
Emerson Electric Co |
Hermetic glass-to-metal seal assembly and method of manufacturing hermetic glass-to-metal seal assembly |
| D606439, |
Jul 22 2008 |
Danfoss Tianjin Ltd. |
Sight glass applied in refrigeration system |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 15 2014 | HARCK, KURT | DANFOSS A S | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 035842 | /0118 |
pdf |
| Sep 15 2014 | LARSEN, SIGURD | DANFOSS A S | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 035842 | /0118 |
pdf |
| Jun 01 2015 | | Danfoss A/S | (assignment on the face of the patent) | | / |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a