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US909818A
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US
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Thermo-electric alarm.
Assignee: GEORGE W DOLEZAL
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Filing: 1908-10-08
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Granted: 1909-01-12
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Expires: 1928-10-08
Abstract
No abstract record available.
Inventors
- 👤 John E Paul
- 👤 James M Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:01
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607
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) | 1912-01-12 | 1912-07-13 | 1913-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-01-12 | 1916-07-13 | 1917-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-01-12 | 1920-07-13 | 1921-01-12 | $7700.00 | Window Closed / Lapsed |