Patent US1594949A successfully refreshed from Google Patents.
US1594949A
Expired / Lapsed
US
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Liquid-cooled generating unit for high-frequency apparatus
Assignee: Electric Water Sterilizer & Oz
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Filing: 1924-10-29
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Granted: 1926-08-03
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Expires: 1944-10-29
Abstract
No abstract record available.
Inventors
- 👤 Hartman Harry Buxton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:50
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; C01B13/11; C01B2201/00; C01B2201/10; C01B2201/14; C01B2201/70; C01B2201/74; C01B2201/76
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) | 1929-08-02 | 1930-02-01 | 1930-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-08-02 | 1934-02-01 | 1934-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-08-02 | 1938-02-01 | 1938-08-03 | $7700.00 | Window Closed / Lapsed |