US2301955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical discharge apparatus
Assignee: Individual
•
Filing: 1940-07-09
•
Granted: 1942-11-17
•
Expires: 1960-07-09
Abstract
No abstract record available.
Inventors
- 👤 Krause Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:49
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/865; H01J9/00; H01J9/50; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/82; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6154; Y10T29/00; Y10T29/53; Y10T29/53274; Y10T29/53283; Y10T29/53478; Y10T29/53487
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) | 1945-11-16 | 1946-05-18 | 1946-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-16 | 1950-05-18 | 1950-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-16 | 1954-05-18 | 1954-11-17 | $7700.00 | Window Closed / Lapsed |