US3238410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grid for electric discharge device and method of making
Assignee: General Electric Co
•
Filing: 1962-11-21
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Granted: 1966-03-01
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Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 James E Beggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:37
CPC Classifications
H; H01; H01J; H01J19/00; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0019; H01J2893/0022; H01J2893/0024; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/4962
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
A GRID STRUCTURE FOR AN ELECTRIC DISCHARGE DEVICE COMPRISING A PLURALITY OF SPACED PARALLEL GRID WIRES OF REFRACTORY METAL AND A GRID FRAME FOR JOINING SAID WIRES TOGETHER AND HOLDING SAID WIRES IN PLANER RELATION AND LYING IN THE SAME PLANE AS SAID GRID WIRES, SAID FRAME CONSISTING ESSENTIALLY OF THE EUTECTIC ALLOY OF THORIUM AND TITANIUM.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |