US905433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of obtaining power from hydrocarbons.
Assignee: AMERICAN OIL ENGINE Co
•
Filing: 1906-07-07
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Granted: 1908-12-01
•
Expires: 1926-07-07
Abstract
No abstract record available.
Inventors
- 👤 Philip Devereux Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:36
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/36; Y; Y10; Y10S; Y10S261/00; Y10S261/45
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) | 1911-12-01 | 1912-06-01 | 1912-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-12-01 | 1916-06-01 | 1916-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-12-01 | 1920-06-01 | 1920-12-01 | $7700.00 | Window Closed / Lapsed |