Intrauterine contraceptive devices
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 6, 2018
Issued Date -
N/A
app pub date -
Mar 13, 2013
filing date -
Mar 13, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A contraceptive intrauterine device having a support structure configured for transcervical implantation in a uterus, an active element coupled to the support structure, the active element having a core including copper that is at least partially coated with an outer layer including gold or gold alloy. A contraceptive intrauterine device having a support structure configured for transcervical implantation in a uterus, an active element coupled to the support structure, the active element including a copper core that is at least partially plated or coated with an outer layer including gold or gold alloy, wherein the copper core is configured to release copper ions after the device is implanted in a uterus, and wherein the gold or gold alloy outer layer is configured to control the release rate of copper ions release by the core. Methods for preventing conception by implanting said contraceptive intrauterine devices.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- A61K Class
- 50.93 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 6, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 6, 2029 |
