US745805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor.
Assignee: HENRY R GARDNER
•
Filing: 1889-04-20
•
Granted: 1903-12-01
•
Expires: 1909-04-20
Abstract
No abstract record available.
Inventors
- 👤 George H Ennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:46
CPC Classifications
F; F01; F01B; F01B17/00; F01B17/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1906-11-30 | 1907-06-01 | 1907-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-11-30 | 1911-06-01 | 1911-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-11-30 | 1915-06-01 | 1915-12-01 | $7700.00 | Window Closed / Lapsed |