US2104073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous electric discharge device
Assignee: General Electric Co
•
Filing: 1936-07-28
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Granted: 1938-01-04
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Expires: 1956-07-28
Abstract
No abstract record available.
Inventors
- 👤 Mari J Druyvesteyn
- 👤 Warmoltz Nicolaas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:20
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/30; H01J61/35; C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/27; C03C21/00; C03C21/007; H01J9/00; H01J9/20; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/228; C03C2217/229; C03C2218/00; C03C2218/10; C03C2218/15; C03C2218/151; C03C2218/30; C03C2218/32; C03C2218/322
Claims Analysis
Total Claims: 0
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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) | 1941-01-03 | 1941-07-05 | 1942-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-01-03 | 1945-07-05 | 1946-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-01-03 | 1949-07-05 | 1950-01-04 | $7700.00 | Window Closed / Lapsed |