Patent US3392304A successfully refreshed from Google Patents.
US3392304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply for an electron beam furnace gun
Assignee: Airco Inc
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Filing: 1965-10-19
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Granted: 1968-07-09
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Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Anderson Emmett Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:18
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/14; B05B7/1404; B05B13/00; B05B13/02; H; H01; H01J; H01J37/00; H01J37/02; H01J37/24; H01J37/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
APPARATUS FOR CONTROLLING THE ELECTRON BEAM CURRENT SUPPLIED BY AN ELECTRON GUN AND DIRECTED AT A TARGET MATERIAL IN AN ELECTRON BEAM FURNACE COMPRISING MEANS FOR SUPPLYING A DIRECT CURRENT VOLTAGE TO SAID ELECTRON GUN AND A DIODE SERIALLY COUPLED BETWEEN SAID DIRECT CURRENT VOLTAGE SUPPLY MEANS AND SAID ELECTRON GUN FOR LIMITING THE CURRENT CONDUCTED THERETHROUGH.
Claim 2
Dependent Claim
57 words
APPARATUS FOR CONTROLLING THE ELECTRON BEAM CURRENT SUPPLIED BY AN ELECTRON GUN AND DIRECTED AT A TARGET MATERIAL IN AN ELECTRON BEAM FURNACE COMPRISING MEANS FOR SUPPLYING A DIRECT CURRENT VOLTAGE TO SAID ELECTRON GUN AND A DIODE SERIALLY COUPLED BETWEEN SAID DIRECT CURRENT VOLTAGE SUPPLY MEANS AND SAID ELECTRON GUN FOR LIMITING THE CURRENT CONDUCTED THERETHROUGH.
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |