US2080925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric discharge device
Assignee: The General Electric Company PLC
•
Filing: 1935-04-09
•
Granted: 1937-05-18
•
Expires: 1955-04-09
Abstract
No abstract record available.
Inventors
- 👤 Middleton Percy
- 👤 Myatt Marie Louise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:35
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/54; H01J61/547; H01J19/00; H01J19/42; H01J19/50; H01J2893/00; H01J2893/0001; H01J2893/0002; H01J2893/0005; H01J2893/0008
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1940-05-17 | 1940-11-16 | 1941-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-05-17 | 1944-11-16 | 1945-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-05-17 | 1948-11-16 | 1949-05-18 | $7700.00 | Window Closed / Lapsed |