US718198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary engine.
Assignee: CHRIST P ANDERSON
•
Filing: 1902-06-05
•
Granted: 1903-01-13
•
Expires: 1922-06-05
Abstract
No abstract record available.
Inventors
- 👤 Magnus P Elgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:59
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/08; F01C1/10; F01C1/103
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) | 1906-01-12 | 1906-07-14 | 1907-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-01-12 | 1910-07-14 | 1911-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-01-12 | 1914-07-14 | 1915-01-13 | $7700.00 | Window Closed / Lapsed |