Leaf spring device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 12, 2024
Grant Date -
Dec 29, 2022
app pub date -
Nov 27, 2020
filing date -
Nov 27, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A leaf spring device includes a plurality of leaf springs, in which a restricting protrusion is provided on one leaf spring, a recessed part is formed on the other leaf spring, a first side surface of the restricting protrusion and a third side surface of the recessed part face each other in a plate width direction, a second side surface of the restricting protrusion and a fourth side surface of the recessed part face each other in the plate width direction, a first inclined surface is formed on one of the first and third side surfaces to be further away from the other thereof from a central portion toward a first direction, and a second inclined surface is formed on one of the second and fourth side surfaces to be further away from the other thereof from the central portion toward a second direction.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2020 Application Filing Year
- F16F Class
- 800 Applications Filed
- 514 Patents Issued To-Date
- 64.25 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F16F Class
- 0 % this patent is cited more than
- 1 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Sep 12, 2027 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 12, 2031 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 12, 2035 |
