Patent US5300656A successfully refreshed from Google Patents.
Patent US2810850A successfully refreshed from Google Patents.
US2810850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus employing radioactive isotopes
Assignee: RCA Corp
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Filing: 1952-10-31
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Granted: 1957-10-22
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Expires: 1972-10-31
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Linder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:23
CPC Classifications
G; G21; G21H; G21H1/00; G21H1/02; H; H03; H03F; H03F99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
ELECTRICAL APPARATUS COMPRISING, A COLD SOURCE OF HIGH ENERGY CHARGED PARTICLE EMISSION, A COLLECTOR ELECTRODE FOR COLLECTING SAID CHARGED PARTICLE EMISSION TO ESTABLISH AN ELECTRIC POTENTIAL RELATIVE TO SAID SOURCE, A DIELECTRIC MEMBER INCLUDING AN APERTURED PORTION DISPOSED INTERMEDIATE SAID SOURCE AND SAID COLLECTOR ELECTRODE, THE CONFINES OF SAID DIELECTRIC MEMBER DEFINING SAID APERTURED PORTION CONTAINING A MEDIUM CAPABLE OF BEING IONIZED BY A PORTION OF SAID CHARGED PARTICLE EMISSION TO PRODUCE A CURRENT EFFECTIVELY FLOWING IN OPPOSITION TO SAID HIGH ENERGY EMISSION, AND ELECTRODE MEANS POSITIONED IN SAID MEDIUM FOR CONTROLLING THE FLOW OF SAID CURRENT.
Claim 2
Dependent Claim
97 words
ELECTRICAL APPARATUS COMPRISING, A COLD SOURCE OF HIGH ENERGY CHARGED PARTICLE EMISSION, A COLLECTOR ELECTRODE FOR COLLECTING SAID CHARGED PARTICLE EMISSION TO ESTABLISH AN ELECTRIC POTENTIAL RELATIVE TO SAID SOURCE, A DIELECTRIC MEMBER INCLUDING AN APERTURED PORTION DISPOSED INTERMEDIATE SAID SOURCE AND SAID COLLECTOR ELECTRODE, THE CONFINES OF SAID DIELECTRIC MEMBER DEFINING SAID APERTURED PORTION CONTAINING A MEDIUM CAPABLE OF BEING IONIZED BY A PORTION OF SAID CHARGED PARTICLE EMISSION TO PRODUCE A CURRENT EFFECTIVELY FLOWING IN OPPOSITION TO SAID HIGH ENERGY EMISSION, AND ELECTRODE MEANS POSITIONED IN SAID MEDIUM FOR CONTROLLING THE FLOW OF SAID CURRENT.
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) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |