US3144020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resectoscope sheath
Assignee: Individual
•
Filing: 1960-08-09
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Granted: 1964-08-11
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Expires: 1980-08-09
Abstract
No abstract record available.
Inventors
- 👤 Frank G Zingale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:36
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/320016; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/149; A61B17/28; A61B17/29; A61B2017/2926; A61B2017/2927; A61M; A61M2210/00; A61M2210/10; A61M2210/1078; A61M2210/1089
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
140 words
A RESOTOSCOPE SHEATH HAVING A FRONT END THAT IS OPEN AND FLEXIBLE, AND A REMOVABLE OBSTURATING MEANS INSERTABLE IN THE SHEATH TO FACILITATE INTRODUCTION OF THE SHEATH THROUGH A RESTRICTED CHANNEL, SAID SHEATH COMPRISING A THIN-WALLED METAL TUBE, A THIN-WALLED TEFLON TUBE COVERING THE METAL TUBE AND EXTENDING BEYOND THE FRONT END OF THE METAL TUBE, THE PART OF THE TEFLON TUBE THAT EXTENDS BEYOND THE FRONT END OF THE METAL TUBE BEING FLEXIBLE, THE OBTURATING MEANS HAVING AN OBTURATING TIP PROJECTING BEYOND THE FLEXIBLE EXTENSION OF THE TEFLON TUBE, A METAL HUB ON THE SHEATH ADJACENT THE BAKC END OF THE METAL TUBE, A SHIELD OF INSULATING MATERIAL ON THE SHEATH, THE SHIELD COMPRISING A WALL MOUNTED ON THE TEFLON TUBE AND EXTENDING RADIALLY OUTWARD THEREFROM, THE HUB BEING BETWEEN THE SHIELD AND THE GACK END OF THE SHEATH.
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |