US Patent No: 7,135,043
Number of patents in Portfolio can not be more than 2000
Intervertebral cage
Stats
-
Nov 14, 2006
Issued date -
Aug 19, 2003
filing date -
10/642,684
serial no -
In Force
status
Importance
Loading Importance Indicators...
Abstract
An intervertebral cage of the present invention includes main body defined by an upper surface, a lower surface, and a pair of side surfaces. A withdrawal prevention portion is provided on the upper and/or the lower surfaces of the main body and asymmetrically with respect to the side surfaces in a top or bottom plan view. The withdrawal prevention portion regulates an insertion direction of the intervertebral cage.
Loading the Abstract Image...
First Claim
Related Publications
Loading Related Publications...
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
|
|
|||
| 5,397,364 Anterior interbody fusion device | 370 | 1993 | |
| 2002/0052,656 Expandable push-in interbody spinal fusion implant | 14 | 2001 | |
|
|
|||
| 2002/0022,886 Intervertebral implant | 11 | 2001 | |
|
|
|||
| 6,432,106 Anterior lumbar interbody fusion cage with locking plate | 125 | 1999 | |
|
|
|||
| 2003/0181,981 Anterior lumbar interbody implant | 25 | 2003 | |
|
|
|||
| 6,527,803 Intersomatic spine implant having anchoring elements | 41 | 2000 | |
|
|
|||
| 2004/0172,133 Intervertebral Implant for transforaminal posterior lumbar interbody fusion procedure | 5 | 2004 | |
|
|
|||
| 6,716,245 Intersomatic implant | 70 | 2002 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 14, 2014 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 14, 2018 |
| 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 |