Foldable step
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 9, 2019
Grant Date -
Dec 20, 2018
app pub date -
Dec 8, 2016
filing date -
Dec 9, 2015
priority date (Note) -
In Force
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
The present invention relates to at least a foldable step mounted within a cabinet or cupboard of varying heights and having a minimal folded profile. The foldable step has a pair of cross members secured in a horizontal orientation to the cupboard. The cross members are coupled to a pair of cupboard support members. The cupboard support members are rotatably coupled to two offset members that rotate vertical support members to reach the floor. The vertical support members hold a plurality of steps using other support members. The entire linkage structure pivotally or slidably folds into a minimal profile.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
TNICO TECHNOLOGY DIVISION LTD | LEDUC ALBERTA T9E 6W2 |
International Classification(s)

- 2016 Application Filing Year
- A47B Class
- 1233 Applications Filed
- 953 Patents Issued To-Date
- 77.30 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Cornthwaite, Don | Red Deer, CA | 3 | 11 |
# of filed Patents : 3 Total Citations : 11 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- A47B Class
- 40.20 % this patent is cited more than
- 6 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 9, 2026 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 9, 2030 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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