US3291125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intrauterine u-shaped pessary
Assignee: Individual
•
Filing: 1965-09-23
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Granted: 1966-12-13
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Expires: 1985-09-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph R Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:29
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/06; A61F6/14; A61F6/142; A61F6/144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN INTRAUTERINE DEVICE COMPRISING: A GENERALLY U-SHAPED LOOP OF RESILIENT MATERIAL HAVING A BIGHT FOR DISPOSITION ACROSS THE CERVIX AND A PAIR OF ARMS EXTENDING UPWARDLY FROM THE BIGHT, EACH ARM HAVING AN UPPER TERMINUS FOR DISPOSITION AT THE MOUTH OF THE CORRESPONDING FALLOPIAN TUBE, THERE BEING AN OUTWARDLY BULGED PORTION IN EACH ARM RESPECTIVELY AT SAID BIGHT DISPOSED FOR ENGAGEMENT WITH THE UTERUS AND FOR ACTUATION INWARDLY BY INTERACTION BETWEEN SAID PORTIONS AND THE UTERUS AT THE ZONE OF ENGAGEMENT THEREBETWEEN DURING CONTRACTION OF THE UTERING MUSCLES INTO A POSITION OF INTERABUTMENT OF SAID PORTIONS SUBJACENT THE BIGHT, SAID BIGHT AND SAID PORTIONS FORMING A CLOSED RING WHEN THE PORTIONS ARE IN ABUTMENT, PRESENTING A FULCRUM AT THE ZONE OF ABUTMENT, WHEREBY SAD TERMINI ARE
Claim 2
Dependent Claim
126 words
AN INTRAUTERINE DEVICE COMPRISING: A GENERALLY U-SHAPED LOOP OF RESILIENT MATERIAL HAVING A BIGHT FOR DISPOSITION ACROSS THE CERVIX AND A PAIR OF ARMS EXTENDING UPWARDLY FROM THE BIGHT, EACH ARM HAVING AN UPPER TERMINUS FOR DISPOSITION AT THE MOUTH OF THE CORRESPONDING FALLOPIAN TUBE, THERE BEING AN OUTWARDLY BULGED PORTION IN EACH ARM RESPECTIVELY AT SAID BIGHT DISPOSED FOR ENGAGEMENT WITH THE UTERUS AND FOR ACTUATION INWARDLY BY INTERACTION BETWEEN SAID PORTIONS AND THE UTERUS AT THE ZONE OF ENGAGEMENT THEREBETWEEN DURING CONTRACTION OF THE UTERING MUSCLES INTO A POSITION OF INTERABUTMENT OF SAID PORTIONS SUBJACENT THE BIGHT, SAID BIGHT AND SAID PORTIONS FORMING A CLOSED RING WHEN THE PORTIONS ARE IN ABUTMENT, PRESENTING A FULCRUM AT THE ZONE OF ABUTMENT, WHEREBY SAD TERMINI ARE
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |