Covering for an architectural opening including multiple stage spring assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 4, 2022
Grant Date -
N/A
app pub date -
Sep 11, 2019
filing date -
Nov 10, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A covering for an architectural covering is provided. The covering may include a multiple stage spring assembly. The spring assembly may include a non-rotatable first member, a first spring including a first end portion and a second end portion, and a second spring including a first end portion and a second end portion. The first end portion of the first spring may be coupled to the first member. The first end portion of the second spring may be coupled to the second end portion of the first spring to rotate with the second end portion of the first spring.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully