US2206489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric discharge vessel
Assignee: Dr Erich F Huth GmbH
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Filing: 1937-05-20
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Granted: 1940-07-02
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Expires: 1957-05-20
Abstract
No abstract record available.
Inventors
- 👤 Schedel Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:05
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/025; C04B37/026; H; H01; H01J; H01J5/00; H01J5/32; C04B2237/00; C04B2237/02; C04B2237/10; C04B2237/12; C04B2237/30; C04B2237/32; C04B2237/50; C04B2237/61; C04B2237/62; C04B2237/76; C04B2237/765; C04B2237/78; C04B2237/84; C04B2237/88
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) | 1943-07-02 | 1944-01-01 | 1944-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-02 | 1948-01-01 | 1948-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-02 | 1952-01-01 | 1952-07-02 | $7700.00 | Window Closed / Lapsed |