US3312215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uterocervical cannula
Assignee: SILBER JEFFREY N
•
Filing: 1963-08-02
•
Granted: 1967-04-04
•
Expires: 1983-08-02
Abstract
No abstract record available.
Inventors
- 👤 Max N Silber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:04
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/0291; A61F; A61F6/00; A61F6/06; A61F6/14; A61F6/142; A61F6/146; A61M; A61M3/00; A61M3/02; A61M3/0279; A61M31/00; A61N; A61N5/00; A61N5/10; A61N5/1001; A61N5/1014
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A UNITARY UTERINE CANNULA COMPRISING: A TUBULAR STEM PORTION ADAPTED TO FIT SNUGLY IN THE CERVIX; AND A HEAD PORTION ADAPTED TO BE EMBRACED BY THE WALLS OF THE UTERUS, THE HEAD PORTION CONSISTING OF A PLURALITY OF LOOPING FLEXIBLE ARMS DEFINING A DEFORMABLE BULBOUS PORTION, THE ARMS HAVING THEIR ENDS UNITARY WITH THE STEM PORTION, SAID STEM PORTION DEFINING A SERIES OF LONGITUDINALLY AXIALLY SPACED BULBAR ENLARGEMENTS ALONG WITH THE SAID STEM, THE END OF SAID STEM REMOTE FROM THE HEAD PORTION DEFINING AN INTERNAL THREADED CONFORMATION ADAPTED TO RECEIVE AN EXTERNALLY THREADED ROD FOR INSERTION AND WITHDRAWAL OF SAID CANNULA INTO AND FROM THE UTERUS, RESPECTIVELY.
Claim 2
Dependent Claim
108 words
A UNITARY UTERINE CANNULA COMPRISING: A TUBULAR STEM PORTION ADAPTED TO FIT SNUGLY IN THE CERVIX; AND A HEAD PORTION ADAPTED TO BE EMBRACED BY THE WALLS OF THE UTERUS, THE HEAD PORTION CONSISTING OF A PLURALITY OF LOOPING FLEXIBLE ARMS DEFINING A DEFORMABLE BULBOUS PORTION, THE ARMS HAVING THEIR ENDS UNITARY WITH THE STEM PORTION, SAID STEM PORTION DEFINING A SERIES OF LONGITUDINALLY AXIALLY SPACED BULBAR ENLARGEMENTS ALONG WITH THE SAID STEM, THE END OF SAID STEM REMOTE FROM THE HEAD PORTION DEFINING AN INTERNAL THREADED CONFORMATION ADAPTED TO RECEIVE AN EXTERNALLY THREADED ROD FOR INSERTION AND WITHDRAWAL OF SAID CANNULA INTO AND FROM THE UTERUS, RESPECTIVELY.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |