US2597604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starting and operating device and circuits for electric discharge devices
Assignee: General Electric Co
•
Filing: 1948-07-08
•
Granted: 1952-05-20
•
Expires: 1968-07-08
Abstract
No abstract record available.
Inventors
- 👤 Waguet Philippe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:27
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/16; H05B41/18; H05B41/19
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1814499A
Cited
US1844375A
Cited
US2020731A
Cited
US1977231A
Cited
US2236195A
Cited
FR861198A
Cited
US2253185A
Cited
US2456859A
Cited
US2462328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |