US3409820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric power apparatus
Assignee: Individual
•
Filing: 1964-07-10
•
Granted: 1968-11-05
•
Expires: 1984-07-10
Abstract
No abstract record available.
Inventors
- 👤 James O Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:34
CPC Classifications
H; H02; H02N; H02N11/00; H02N11/002; H03; H03F; H03F99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
APPARATUS FOR AMPLIFYING ELECTRIC CURRENT COMPRISING, A METAL CORE, A PRIMARY COIL OF RADIOACTIVE MATERIAL AROUND SAID CORE, AND A SECONDARY COIL OF CONDUCTIVE MATERIAL, POSITIONED OVER SAID PRIMARY COIL, AND FROM WHICH ELECTRIC CURRENT INDUCED THEREINTO FROM SAID METAL CORE AND PRIMARY COIL MAY BE TRANSMITTED TO A WORKLOAD.
Claim 2
Dependent Claim
50 words
APPARATUS FOR AMPLIFYING ELECTRIC CURRENT COMPRISING, A METAL CORE, A PRIMARY COIL OF RADIOACTIVE MATERIAL AROUND SAID CORE, AND A SECONDARY COIL OF CONDUCTIVE MATERIAL, POSITIONED OVER SAID PRIMARY COIL, AND FROM WHICH ELECTRIC CURRENT INDUCED THEREINTO FROM SAID METAL CORE AND PRIMARY COIL MAY BE TRANSMITTED TO A WORKLOAD.
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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |