US2941112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric discharge device
Assignee: General Electric Co
•
Filing: 1955-07-25
•
Granted: 1960-06-14
•
Expires: 1975-07-25
Abstract
No abstract record available.
Inventors
- 👤 Stanley E Webber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:49
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24; H01J23/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2636948A
Cited
US2575383A
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FR946141A
Cited
FR63878E
Cited
US2707759A
Cited
US2584597A
Cited
DE841311C
Cited
US2828440A
Cited
US2817037A
Cited
US2767259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |