Patent US3263424A successfully refreshed from Google Patents.
US3202844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy conversion apparatus
Assignee: Individual
•
Filing: 1961-11-08
•
Granted: 1965-08-24
•
Expires: 1981-11-08
Abstract
No abstract record available.
Inventors
- 👤 Marguerite L Hatch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:47
CPC Classifications
H; H01; H01J; H01J45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
DIRECT ENERGY CONVERSION APPARATUS COMPRISING A HOUSING SEALED AND EVACUATED TO A HIGH VACUUM, AN ELECTRON-EMISSIVE PLATE DISPOSED IN SAID HOUSING, AN ELECTRON COLLECTOR PLATE DISPOSED IN SAID HOUSING AT SUBSTANTIALLY A 90-DEGREE ANGLE FROM SAID ELECTRONEMISSIVE PLATE, AN ARCUATE ACCELERATOR GRID DISPOSED IN SAID HOUSING, SAID GRID FACING THE SUBSTANTIALLY 90-DEGREE ANGLE FORMED BY SAID EMISSIVE PLATE AND SAID COLLECTOR PLATE, MEANS FOR HEATING SAID ELECTRON-EMISSIVE PLATE, AN ENERGY SOURCE CONNECTED TO SAID GRID AND SAID COLLECTOR PLATE, AND A MAGNET SECURED TO SAID HOUSING, SAID MAGNET HAVING POLES SHAPED AS A WEDGE, SAID WEDGE HAVING A FLAT TRIANGLE BOTTOM SURFACE, A SUBSTANTIALLY NARROW UPPER SURFACE, AND A SUBSTANTIALLY NARROW FRONT EDGE, SAID POLES PROVIDING FOR A UNIDIRECTIONAL NON-UNIFORM MAGNETIC FIELD SUBSTANTIALLY NORMAL TO THE ELECTROSTATIC FIELD, THE MAGNETIC FIELD FLUX HAVING VALUES APPROACHING ZERO NEAR SAID ELECTRON-EMISSIVE PLATE AND SAID ELECTRON COLLECTOR PLATE AND REACHING A MAXIMUM IN SUBSTANTIALLY A 45-DEGREE LINE BETWEEN SAID ELECTRON-EMISSIVE PLATE AND SAID ELECTRON COLLECTOR PLATE.
Claim 2
Dependent Claim
163 words
DIRECT ENERGY CONVERSION APPARATUS COMPRISING A HOUSING SEALED AND EVACUATED TO A HIGH VACUUM, AN ELECTRON-EMISSIVE PLATE DISPOSED IN SAID HOUSING, AN ELECTRON COLLECTOR PLATE DISPOSED IN SAID HOUSING AT SUBSTANTIALLY A 90-DEGREE ANGLE FROM SAID ELECTRONEMISSIVE PLATE, AN ARCUATE ACCELERATOR GRID DISPOSED IN SAID HOUSING, SAID GRID FACING THE SUBSTANTIALLY 90-DEGREE ANGLE FORMED BY SAID EMISSIVE PLATE AND SAID COLLECTOR PLATE, MEANS FOR HEATING SAID ELECTRON-EMISSIVE PLATE, AN ENERGY SOURCE CONNECTED TO SAID GRID AND SAID COLLECTOR PLATE, AND A MAGNET SECURED TO SAID HOUSING, SAID MAGNET HAVING POLES SHAPED AS A WEDGE, SAID WEDGE HAVING A FLAT TRIANGLE BOTTOM SURFACE, A SUBSTANTIALLY NARROW UPPER SURFACE, AND A SUBSTANTIALLY NARROW FRONT EDGE, SAID POLES PROVIDING FOR A UNIDIRECTIONAL NON-UNIFORM MAGNETIC FIELD SUBSTANTIALLY NORMAL TO THE ELECTROSTATIC FIELD, THE MAGNETIC FIELD FLUX HAVING VALUES APPROACHING ZERO NEAR SAID ELECTRON-EMISSIVE PLATE AND SAID ELECTRON COLLECTOR PLATE AND REACHING A MAXIMUM IN SUBSTANTIALLY A 45-DEGREE LINE BETWEEN SAID ELECTRON-EMISSIVE PLATE AND SAID ELECTRON COLLECTOR PLATE.
References Cited (Backward Citations)
US2680823A
Cited
US3041481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |