Patent US3264512A successfully refreshed from Google Patents.
US3264512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High vacuum thermionic converter
Assignee: General Electric Co
•
Filing: 1963-12-19
•
Granted: 1966-08-02
•
Expires: 1983-12-19
Abstract
No abstract record available.
Inventors
- 👤 James E Beggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:15
CPC Classifications
H; H01; H01J; H01J45/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
A THERMIONIC CONVERTER FOR CONVERTING HEAT ENERGY TO ELECTRICAL ENERGY COMPRISING A THERMIONICALLY EMISSIVE CATHODE ELECTRODE AND A SPACED ANODE ELECTRODE, EACH OF SAID ELECTRODES HAVING AN EXTENDED PLANAR SURFACE MEANS FOR MAINTAINING THE SPACING BETWEEN SAID ELECTRODES INCLUDING A PLURALITY OF CYLINDRICAL INSULATORS EMBEDDED IN ONE OF SAID ELECTRODES AND PROTRUDING ABOVE THE SURFACE THEREOF AND HAVING THEIR AXES EXTENDING GENERALLY PARALLEL TO THE PLANAR SURFACE THEREOF, LIKE PLURALITY OF INSULATORS EMBEDDED IN THE OTHER OF SAID ELECTRODES AND HAVING THEIR AXES EXTENDING GENERALLY PARALLEL TO THE PLANAR SURFACE THEREOF AND ORTHOGONAL TO THE AXES OF THE INSULATORS
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |