US1148808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical steam-generator.
Assignee: Safety Car Heating and Lighting Co
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Filing: 1909-07-23
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Granted: 1915-08-03
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Expires: 1929-07-23
Abstract
No abstract record available.
Inventors
- 👤 William I Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:06
CPC Classifications
F; F17; F17C; F17C7/00; F17C7/02; F17C7/04
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) | 1918-08-02 | 1919-02-01 | 1919-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-08-02 | 1923-02-01 | 1923-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-08-02 | 1927-02-01 | 1927-08-03 | $7700.00 | Window Closed / Lapsed |