US2706979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic surgical instrument
Assignee: American Cystoscope Makers Inc
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Filing: 1951-01-18
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Granted: 1955-04-26
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Expires: 1971-01-18
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:55
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/50; A61B17/52; A61B17/22; A61B17/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A SURGICAL INSTRUMENT FOR REMOVING A METALLIC OBJECT FROM A BODY, A FLEXIBLE TUBULAR MEMBER HAVING FIRST AND SECOND LONGITUDINAL PASSAGES, AND ELECTRO-MAGNETIC UNIT CONNECTED TO THE DISTAL END OF THE TUBULAR MEMBER AND COMPRISING A SHEATH HAVING A FIRST CONDUIT ESTABLISHING COMMUNICATION BETWEEN ITS EXTERIOR AND THE FIRST PASSAGE, A SOLENOID WHOLLY WITHIN THE SHEATH AND A MAGNETIZABLE CORE MEMBER EXTENDING THROUGH THE SOLENOID AND THE DISTAL END OF THE SHEATH, A SECOND CONDUIT SECURED TO THE PROXIMAL END OF THE TUBULAR MEMBER AND COMMUNICATING WITH THE FIRST PASSAGE, THE OPENING
Claim 2
Dependent Claim
93 words
IN A SURGICAL INSTRUMENT FOR REMOVING A METALLIC OBJECT FROM A BODY, A FLEXIBLE TUBULAR MEMBER HAVING FIRST AND SECOND LONGITUDINAL PASSAGES, AND ELECTRO-MAGNETIC UNIT CONNECTED TO THE DISTAL END OF THE TUBULAR MEMBER AND COMPRISING A SHEATH HAVING A FIRST CONDUIT ESTABLISHING COMMUNICATION BETWEEN ITS EXTERIOR AND THE FIRST PASSAGE, A SOLENOID WHOLLY WITHIN THE SHEATH AND A MAGNETIZABLE CORE MEMBER EXTENDING THROUGH THE SOLENOID AND THE DISTAL END OF THE SHEATH, A SECOND CONDUIT SECURED TO THE PROXIMAL END OF THE TUBULAR MEMBER AND COMMUNICATING WITH THE FIRST PASSAGE, THE OPENING
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) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |