Fail-safe latch mechanism
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 14, 2017
Issued Date -
N/A
app pub date -
May 9, 2014
filing date -
May 9, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A latch and fail-safe mechanism suitable for use with an industrial cart, dolly, trailer or other types mobile platforms or carriers. According to an embodiment, the latch comprises a housing or enclosure, a latch mechanism, a hitch hook and a fail-safe mechanism. The housing includes a back-plate configured to attach the latch to a mounting bracket or frame plate on the cart. The latch mechanism is operatively coupled to the hitch hook and configured to bias the hitch hook in a closed or engaging position. The fail-safe mechanism is operatively coupled to the hitch hook and configured to bias and maintain the hitch hook in the closed position in the event of failure of the latch mechanism.
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 | |
---|---|---|
SAILRAIL AUTOMATED SYSTEMS INC | 6-3200 14TH AVENUE MARKHAM L3R 0H8 |
International Classification(s)

- 2014 Application Filing Year
- B60D Class
- 187 Applications Filed
- 176 Patents Issued To-Date
- 94.12 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Dawson, Shawn | Bowmanville, CA | 6 | 16 |
# of filed Patents : 6 Total Citations : 16 | |||
Scarth, Ian | King City, CA | 9 | 34 |
# of filed Patents : 9 Total Citations : 34 |
Cited Art Landscape
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Patent Citation Ranking
- 3 Citation Count
- B60D Class
- 17.07 % this patent is cited more than
- 8 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 14, 2028 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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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