INVERTED CONSTANT FORCE WINDOW BALANCE FOR TILT SASH
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Dec 17, 2015
app pub date -
Jun 19, 2015
filing date -
Apr 6, 2010
priority date (Note) -
Published
status (Latency Note)
Importance
Calculated Rating
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US Family Size
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Non-US Coverage
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Abstract
A window balance may include a shoe body with an elongate portion and an enlarged portion. The elongate portion may include at least one carrier section for supporting a coil spring and an enlarged portion may include a locking element and a cam in communication with the locking element. The width of the enlarged portion may be greater than the width of the elongate portion. The spring may rest in the carrier section and may be secured to a window jamb with a fastener or a mounting element.
First Claim
Other Claims data not available
Family
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| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| US | B2 | US9133656 | Apr 06, 2011 |
| CA | C | CA2736316 | Apr 06, 2011 |
| US | A1 | US20170089109 | Dec 09, 2016 |
| US | A1 | US20210164278 | Feb 09, 2021 |
International Classification(s)
- 2015 Application Filing Year
- E05D Class
- 476 Applications Filed
- 350 Patents Issued To-Date
- 73.53 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 11 Citation Count
- E05D Class
- 83.57 % this patent is cited more than
- 10 Age