Patent US4927421A successfully refreshed from Google Patents.
US3324847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radioactive catheter
Assignee: Individual
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Filing: 1964-10-16
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Granted: 1967-06-13
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Expires: 1984-10-16
Abstract
No abstract record available.
Inventors
- 👤 Elias G Zoumboulis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:27
CPC Classifications
A; A61; A61N; A61N5/00; A61N5/10; A61N5/1001; A61N5/1014; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0108; A61M31/00; A61N1/00; A61N1/18; A61N1/20; A61N1/30; A61N1/303; A61N1/306; A61N2005/1019; A61N2005/1021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN A THERAPEUTIC DEVICE, AN ELONGATED MEMBER ADAPTED TO BE INSERTED INTO A BODY ORIFICE, MEANS ON SAID MEMBER DEFINING A CHAMBER CONTAINING AN IONIZABLE SOLUTION OF A RADIOACTIVE ISOTOPE, AND A PAIR OF ELECTRODES EXTENDING INTO SAID CHAMBER AND ARRANGED FOR CONNECTION TO A SOURCE OF ELECTRIC CURRENT FOR MIGRATION OF IONS TO ONE OF SAID ELECTRODES TO FORM AN ACCUMULATION OF SOLID RADIOACTIVE MATERIAL ON SAID ONE OF SAID ELECTRODES.
Claim 2
Dependent Claim
72 words
IN A THERAPEUTIC DEVICE, AN ELONGATED MEMBER ADAPTED TO BE INSERTED INTO A BODY ORIFICE, MEANS ON SAID MEMBER DEFINING A CHAMBER CONTAINING AN IONIZABLE SOLUTION OF A RADIOACTIVE ISOTOPE, AND A PAIR OF ELECTRODES EXTENDING INTO SAID CHAMBER AND ARRANGED FOR CONNECTION TO A SOURCE OF ELECTRIC CURRENT FOR MIGRATION OF IONS TO ONE OF SAID ELECTRODES TO FORM AN ACCUMULATION OF SOLID RADIOACTIVE MATERIAL ON SAID ONE OF SAID ELECTRODES.
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |