Self-locking actuator for ring binder mechanism
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 18, 2016
Grant Date -
Mar 12, 2015
app pub date -
Nov 12, 2014
filing date -
Apr 28, 2012
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
|
Patent Longevity
|
Forward Citations
|
Abstract
A ring binder mechanism for holding loose-leaf pages has a housing having a cavity formed in the underside of a central portion of the housing. A pair of hinge plates are disposed between the sides for pivoting movement relative to the housing to open and close rings of the mechanism. The mechanism has an actuator moveable relative to the housing for opening and closing the rings. The actuator has a body, an opening arm extending from the body, a closing arm extending from the body, and a locking finger extending from the body. The closing arm extending into a space between the hinge plates and the central portion of the housing. The hinge plates extend between the opening and closing arms. The locking finger extends into the cavity in the central portion of the housing when the actuator is in the closed position.
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 | |
---|---|---|
DONGGUAN HUMEN NANZHA WORLD WIDE STATIONERY MANUFACTURING CO LTD | THE FIRST INDUSTRIAL CAMP GUANGDONG PROVINCE DONGGUAN CITY |
International Classification(s)

- 2014 Application Filing Year
- B42F Class
- 78 Applications Filed
- 70 Patents Issued To-Date
- 89.75 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Huang, Ming Hua | Dong Guan, CN | 17 | 255 |
# of filed Patents : 17 Total Citations : 255 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- B42F Class
- 0 % this patent is cited more than
- 9 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 | Apr 18, 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 |
Full Text

Legal Events

Matter Detail

Renewals Detail
