Patent US744822A successfully refreshed from Google Patents.
US744822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kerosene-oil engine.
Assignee: Individual
•
Filing: 1902-12-16
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Granted: 1903-11-24
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Expires: 1922-12-16
Abstract
No abstract record available.
Inventors
- 👤 Abbot Augustus Low
- 👤 William W Tuck
- 👤 August Wassmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:45
CPC Classifications
F; F02; F02B; F02B19/00; F02B19/14
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) | 1906-11-23 | 1907-05-25 | 1907-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-11-23 | 1911-05-25 | 1911-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-11-23 | 1915-05-25 | 1915-11-24 | $7700.00 | Window Closed / Lapsed |