US3200815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil spring intra-uterine contraceptive device and method of using
Assignee: Mount Sinai Hospital Research Foundation Inc
•
Filing: 1962-04-24
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Granted: 1965-08-17
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Expires: 1982-04-24
Abstract
No abstract record available.
Inventors
- 👤 Margulies Lazar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:52
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/06; A61F6/14; A61F6/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
AN INTRA-UTERINE CONTRACEPTIVE COMPRISING AN ELONGATED STRAND HAVING TWO FREE ENDS AND A FREE SHAPE IN SUBSTANTIALLY ONE PLANE THAT INCLUDES A COIL ADAPTED TO LIE WITHIN THE UTERINE CAVITY CONNECTED TO A SUBSTANTIALLY STRAIGHT FOLLOWER ADAPTED TO EXTEND THROUGH THE CERVICAL CANAL, SAID STRAND BEING READILY DEFOMRABLE TO A STRAIGHT
Claim 2
Dependent Claim
51 words
AN INTRA-UTERINE CONTRACEPTIVE COMPRISING AN ELONGATED STRAND HAVING TWO FREE ENDS AND A FREE SHAPE IN SUBSTANTIALLY ONE PLANE THAT INCLUDES A COIL ADAPTED TO LIE WITHIN THE UTERINE CAVITY CONNECTED TO A SUBSTANTIALLY STRAIGHT FOLLOWER ADAPTED TO EXTEND THROUGH THE CERVICAL CANAL, SAID STRAND BEING READILY DEFOMRABLE TO A STRAIGHT
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |