US3128762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical contraceptives
Assignee: Individual
•
Filing: 1961-08-23
•
Granted: 1964-04-14
•
Expires: 1981-08-23
Abstract
No abstract record available.
Inventors
- 👤 John C Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:28
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/06; A61F6/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A CONTRACEPTIVE DEVICE, A GENERALLY CYHLINDRICAL FOAMED ELEASTOMER MEMBER ADAPTED TO ENGAGE THE WALLS OF A VAGINAL PASSAGE IN UNIFORM SEALING RELATION, A CERVIX CONTACTING PORTION AT ONE END OF SAID MEMBER, AND THE OTHER END PROVIDED WITH INTEGRAL SHEATH MEANS ON SAID MEMBER SID SHEATH DEFINING A CAVITY HAVING RE-ENTRANT INSIDE WALLS SURFACES WITH THE INNERMOST END OF SAID CAVITY BEING SPACED FROM SAID CONTACTING PORTION TO DEFINE AN IMPERVIOUS WALL PORTION THEREBETWEEN, SAID SHEATH MEANS ADAPTED TO RELEASABLY ENGAGE A FIRM MEMBER FOR PLACEMENT IN SAID VAGINAL PASSAGE COMPLETION OF THE ORIGINAL INWARD STROKE AND RELEASED FROM SAID FIRM MEMBER BY ENGAGEMENT OF THE SAID MEMBER BY SAID VAGINAL PASSAGE WHEN THE ORIGINAL BACK STROKE OF THE FIRM MEMBER BEGINS.
Claim 2
Dependent Claim
123 words
IN A CONTRACEPTIVE DEVICE, A GENERALLY CYHLINDRICAL FOAMED ELEASTOMER MEMBER ADAPTED TO ENGAGE THE WALLS OF A VAGINAL PASSAGE IN UNIFORM SEALING RELATION, A CERVIX CONTACTING PORTION AT ONE END OF SAID MEMBER, AND THE OTHER END PROVIDED WITH INTEGRAL SHEATH MEANS ON SAID MEMBER SID SHEATH DEFINING A CAVITY HAVING RE-ENTRANT INSIDE WALLS SURFACES WITH THE INNERMOST END OF SAID CAVITY BEING SPACED FROM SAID CONTACTING PORTION TO DEFINE AN IMPERVIOUS WALL PORTION THEREBETWEEN, SAID SHEATH MEANS ADAPTED TO RELEASABLY ENGAGE A FIRM MEMBER FOR PLACEMENT IN SAID VAGINAL PASSAGE COMPLETION OF THE ORIGINAL INWARD STROKE AND RELEASED FROM SAID FIRM MEMBER BY ENGAGEMENT OF THE SAID MEMBER BY SAID VAGINAL PASSAGE WHEN THE ORIGINAL BACK STROKE OF THE FIRM MEMBER BEGINS.
References Cited (Backward Citations)
US1480680A
Cited
CH171865A
Cited
US2141026A
Cited
US2298752A
Cited
US2580133A
Cited
US2704068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |