US3313291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the injection of radioopaque liquid in angiography
Assignee: SigmaMotor Inc
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Filing: 1963-11-06
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Granted: 1967-04-11
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Expires: 1983-11-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:10
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/007; A61M5/14; A61M5/142; A61M5/145; A61M5/1452; A61M5/14526; A61M2005/14513
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A POWER-DRIVEN MEDICAL APPARATUS, ADAPTED FOR USE IN PERCUTANEOUS NON-CATHETER ANGIOGRAPHY, WHICH COMPRISES; (A) A FRAME; (B) A DIAGNOSTIC MEDICAL SYRINGE MOUNTED ON SAID FRAME AND INCLUDING: (I) A BARREL HAVING AN OUTLET ORIFICE AND INCLUDING A PLUNGER ASSEMBLY SLIDABLY MOUNTED FOR AXIAL RECIPROCATION THEREIN; (II) SAID PLUNGER ASSEMBLY COMPRISING A HEAD PORTION AND A SHAFT IN WHICH ONE END OF SAID SHAFT IS CONNECTED TO SAID HEAD PORTION, AND THE OTHER END OF THE SHAFT EXTENDS OUTSIDE OF SAID BARREL; (C) A CYLINDER INCLUDING A PISTON ASSEMBLY SLIDABLY MOUNTED FOR AXIAL RECIPROCATION IN SAID CYLINDER AND A GAS ORIFICE;
Claim 2
Dependent Claim
100 words
A POWER-DRIVEN MEDICAL APPARATUS, ADAPTED FOR USE IN PERCUTANEOUS NON-CATHETER ANGIOGRAPHY, WHICH COMPRISES; (A) A FRAME; (B) A DIAGNOSTIC MEDICAL SYRINGE MOUNTED ON SAID FRAME AND INCLUDING: (I) A BARREL HAVING AN OUTLET ORIFICE AND INCLUDING A PLUNGER ASSEMBLY SLIDABLY MOUNTED FOR AXIAL RECIPROCATION THEREIN; (II) SAID PLUNGER ASSEMBLY COMPRISING A HEAD PORTION AND A SHAFT IN WHICH ONE END OF SAID SHAFT IS CONNECTED TO SAID HEAD PORTION, AND THE OTHER END OF THE SHAFT EXTENDS OUTSIDE OF SAID BARREL; (C) A CYLINDER INCLUDING A PISTON ASSEMBLY SLIDABLY MOUNTED FOR AXIAL RECIPROCATION IN SAID CYLINDER AND A GAS ORIFICE;
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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |