Shock absorber
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 15, 2024
Grant Date -
N/A
app pub date -
Aug 30, 2021
filing date -
Sep 4, 2020
priority date (Note) -
In Force
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Abstract
This shock absorber is disposed between a vehicle body and an axle. The shock absorber includes a bottomed cylindrical cylinder, a spring seat, and a mold release rib. The spring seat is formed integrally with the cylinder. The spring seat protrudes in a radial direction of the cylinder from the cylinder to support a suspension spring. The mold release rib is formed integrally with the cylinder and the spring seat. The mold release rib connects an outer circumferential portion of the spring seat and the cylinder. The mold release rib has a face part provided at an outer end portion of the cylinder in the radial direction.
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 | |
---|---|---|
HITACHI ASTEMO LTD | 2520 TAKABA HITACHINAKA-SHI IBARAKI 312-8503 |
International Classification(s)

- 2021 Application Filing Year
- B60G Class
- 578 Applications Filed
- 366 Patents Issued To-Date
- 63.33 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Matsumura, Sadatomo | Hitachinaka, JP | 10 | 36 |
# of filed Patents : 10 Total Citations : 36 | |||
Tokoo, Naoya | Hitachinaka, JP | 10 | 57 |
# of filed Patents : 10 Total Citations : 57 | |||
Yamaguchi, Yoshihiro | Hitachinaka, JP | 312 | 4076 |
# of filed Patents : 312 Total Citations : 4076 | |||
Yamaka, Koichi | Hitachinaka, JP | 8 | 1 |
# of filed Patents : 8 Total Citations : 1 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- B60G Class
- 0 % this patent is cited more than
- 1 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Apr 15, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Apr 15, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 15, 2036 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Sep 17, 2024 | P | Publication | |
Aug 28, 2024 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Aug 13, 2024 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: PUBLICATIONS -- ISSUE FEE PAYMENT VERIFIED |
Jul 22, 2024 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: NOTICE OF ALLOWANCE MAILED -- APPLICATION RECEIVED IN OFFICE OF PUBLICATIONS |
Jul 09, 2024 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER |
Apr 02, 2024 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: NON FINAL ACTION MAILED |
Mar 24, 2022 | P | Published | |
Jan 10, 2022 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: DOCKETED NEW CASE - READY FOR EXAMINATION |
Oct 25, 2021 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KURISU, KEN;ISHII, KENTARO;TAKEUCHI, KAZUMA;SIGNING DATES FROM 20210514 TO 20210520;REEL/FRAME:057897/0582 Owner name: JFE STEEL CORPORATION, JAPAN |
Jul 23, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Dec 26, 2019 | F | Filing | |
Jan 31, 2019 | PD | Priority Date |

Matter Detail

Renewals Detail
