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Patent
D895416
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Priority
Jan 12 2018
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Filed
Jul 11 2018
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Issued
Sep 08 2020
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Expiry
Sep 08 2035
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Assg.orig
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Entity
unknown
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5
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48
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n/a
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The ornamental design for a spring for a sprinkler head, as shown and described.
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FIG. 1 is a front elevational view of a spring for a sprinkler head showing my new design, a rear elevational view thereof being a same image;
FIG. 2 is a right side elevational view thereof; a left side elevational view thereof being a same image;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a bottom plan view thereof.
Koiwa, Yasuaki
| Patent |
Priority |
Assignee |
Title |
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Jan 30 1976 |
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Drapery tieback ring holding clip |
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Jan 03 1979 |
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Ring seal |
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Sep 15 1987 |
SCHWAB-KOPLIN ASSOCIATES, INC |
Snap action devices and methods and apparatus for making same |
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Jan 25 1988 |
SCHWAB-KOPLIN ASSOC , INC , PORT ST LUCIE, FLORIDA, A CORPORATION OF MISSISSIPPI |
Electrical switch having a snap-acting switch element |
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Apr 13 1987 |
The Reliable Automatic Sprinkler Co., Inc. |
Adjustable concealed sprinkler |
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Dec 14 1988 |
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SCHWAB-KOPLIN ASSOCIATES, INC |
Snap spring positioning device |
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Sep 08 1995 |
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Self-stressing snap spring assembly for electrical contacts |
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Cambria County Association for the Blind and Handicapped |
Coated hanger |
| D817753, |
Mar 09 2017 |
WOODWARD, INC |
Spring array |
| D877095, |
Mar 06 2018 |
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. |
Contact spring for electrical switch |
| D878192, |
Mar 21 2018 |
OHIO WIRE FORM & SPRING CO |
Hanger |
| 28578, |
|
|
|
| TW181645D, |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a