US3159161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fistulizing canaliculus
Assignee: Individual
•
Filing: 1962-11-14
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Granted: 1964-12-01
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Expires: 1982-11-14
Abstract
No abstract record available.
Inventors
- 👤 Ness Richard Alton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:54
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/007; A61F9/00781
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A CANALICULUS FOR INSERTION BENEATH THE CONJUNCTIVA OF A HUMAN EYE COMPRISING AN ELONGATED TUBE HAVING LONGITUDINAL AND TRANSVERSE CURVATURES SUBSTANTIALLY THE SAME AS THE CURVATURE OF THE PORTION OF A HUMAN EYE BELOW THE IRIS THEREOF AND BEING THIN RELATIVE TO LONGITUDINAL AND TRANSVERSE DIMENSIONS THEREOF, A HOLLOW PROJECTION OF ONE END OF SAID TUBE HAVING THE INTERIOR THEREOF CONNECTED IN COMMUNICATION WITH THE INTERIOR OF SAID TUBE, SAID PROJECTION BEING ADAPTED FOR INSERTION INTO A HOLE BORED IN A HUMAN EYE WITH THE TUBE LYING AGAINST THE EYE AND HAVING THE OTHER END OF THE TUBE DISPOSED SO AS TO DRAIN INTO THE RETRO-BULBAR SPACE FLUID RECEIVED IN SAID PROJECTION INTERIOR.
Claim 2
Dependent Claim
113 words
A CANALICULUS FOR INSERTION BENEATH THE CONJUNCTIVA OF A HUMAN EYE COMPRISING AN ELONGATED TUBE HAVING LONGITUDINAL AND TRANSVERSE CURVATURES SUBSTANTIALLY THE SAME AS THE CURVATURE OF THE PORTION OF A HUMAN EYE BELOW THE IRIS THEREOF AND BEING THIN RELATIVE TO LONGITUDINAL AND TRANSVERSE DIMENSIONS THEREOF, A HOLLOW PROJECTION OF ONE END OF SAID TUBE HAVING THE INTERIOR THEREOF CONNECTED IN COMMUNICATION WITH THE INTERIOR OF SAID TUBE, SAID PROJECTION BEING ADAPTED FOR INSERTION INTO A HOLE BORED IN A HUMAN EYE WITH THE TUBE LYING AGAINST THE EYE AND HAVING THE OTHER END OF THE TUBE DISPOSED SO AS TO DRAIN INTO THE RETRO-BULBAR SPACE FLUID RECEIVED IN SAID PROJECTION INTERIOR.
References Cited (Backward Citations)
DE1057738B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |