US3364927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for intrauterine use
Assignee: Individual
•
Filing: 1966-08-12
•
Granted: 1968-01-23
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Expires: 1986-08-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph R Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:06
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/06; A61F6/14; A61F6/142; A61F6/144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A DEVICE FOR INTRAUTERINE USE COMPRISING: A GENERALLY U-SHAPED LOOP HAVING A BIGHT FOR DISPOSITION ACROSS THE CERVIX AND A PAIR OF ARMS EXTENDING UPWARDLY FROM THE BIGHT, EACH ARM HAVING A HEAD FOR DISPOSITION IN THE MOUTH OF A CORRESPONDING FALLOPIAN TUBE, THERE BEING AN OUTWARDLY BULGED PORTION IN EACH ARM RESPECTIVELY ADJACENT SAID BIGHT DISPOSED FOR ENGAGEMENT WITH THE UTERUS AND FOR ACTUATING INWARDLY BY THE LATTER AT THE ZONES OF ENGAGEMENT THEREBETWEEN DURING CONTRACTION OF THE UTERINE MUSCLES; AND AN ELONGATED BRIDGE OF FLEXIBLE MATERIAL INTERCONNECTING SAID ARMS ABOVE SAID PORTIONS AND YIELDABLY MAINTAINING THE ARMS IN SPACED RELATIONSHIP DURING SAID MUSCULAR CONTRACTION, EACH END OF SAID BRIDGE PRESENTING A FULCRUM AT THE AREA OF INTERCONNECTION WITH A RESPECTIVE ARMS, WHEREBY SAID HEADS ARE PRESSED OUTWARDLY INTO ENGAGEMENT WITH THE UTERUS IN SAID MOUTHS AND THE PORTIONS ARE MAINTAINED AGAINST SAID ZONES AS SAID MUSCULAR CONTRACTIONS CONTINUE TO ACT INWARDLY ON SAID PORTIONS, THEREBY IMPEDING EXPULSION OF THE DEVICE FROM WITHIN THE UTERUS, SAID BRIDGE BEING GENERALLY V-SHAPED SAID HAVING A PAIR OF LEGS AND A VERTEX WHEREBY SAID DEVICE IS COLLAPSIBLE TO PERMIT INSERTION THROUGH THE VERVIX.
Claim 2
Independent Claim
191 words
A DEVICE FOR INTRAUTERINE USE COMPRISING: A GENERALLY U-SHAPED LOOP HAVING A BIGHT FOR DISPOSITION ACROSS THE CERVIX AND A PAIR OF ARMS EXTENDING UPWARDLY FROM THE BIGHT, EACH ARM HAVING A HEAD FOR DISPOSITION IN THE MOUTH OF A CORRESPONDING FALLOPIAN TUBE, THERE BEING AN OUTWARDLY BULGED PORTION IN EACH ARM RESPECTIVELY ADJACENT SAID BIGHT DISPOSED FOR ENGAGEMENT WITH THE UTERUS AND FOR ACTUATING INWARDLY BY THE LATTER AT THE ZONES OF ENGAGEMENT THEREBETWEEN DURING CONTRACTION OF THE UTERINE MUSCLES; AND AN ELONGATED BRIDGE OF FLEXIBLE MATERIAL INTERCONNECTING SAID ARMS ABOVE SAID PORTIONS AND YIELDABLY MAINTAINING THE ARMS IN SPACED RELATIONSHIP DURING SAID MUSCULAR CONTRACTION, EACH END OF SAID BRIDGE PRESENTING A FULCRUM AT THE AREA OF INTERCONNECTION WITH A RESPECTIVE ARMS, WHEREBY SAID HEADS ARE PRESSED OUTWARDLY INTO ENGAGEMENT WITH THE UTERUS IN SAID MOUTHS AND THE PORTIONS ARE MAINTAINED AGAINST SAID ZONES AS SAID MUSCULAR CONTRACTIONS CONTINUE TO ACT INWARDLY ON SAID PORTIONS, THEREBY IMPEDING EXPULSION OF THE DEVICE FROM WITHIN THE UTERUS, SAID BRIDGE BEING GENERALLY V-SHAPED SAID HAVING A PAIR OF LEGS AND A VERTEX WHEREBY SAID DEVICE IS COLLAPSIBLE TO PERMIT INSERTION THROUGH THE VERVIX.
References Cited (Backward Citations)
US3234938A
Cited
US3291125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |