Patent US2006731A successfully refreshed from Google Patents.
US2006731A
Expired / Lapsed
US
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Discharge gap
Assignee: Ajax Electrothermic Corp
•
Filing: 1932-06-02
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Granted: 1935-07-02
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Expires: 1952-06-02
Abstract
No abstract record available.
Inventors
- 👤 Frank T Chesnut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:10
CPC Classifications
H; H01; H01J; H01J17/00; H05; H05B; H05B6/00; H05B6/02; H05B6/22; H05B6/24; H01J2893/00; H01J2893/0059; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056
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) | 1938-07-01 | 1938-12-31 | 1939-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-01 | 1942-12-31 | 1943-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-01 | 1946-12-31 | 1947-07-02 | $7700.00 | Window Closed / Lapsed |