US773120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric-motor sysyem.
Assignee: FRANK R MCFEATTERS
•
Filing: 1903-12-02
•
Granted: 1904-10-25
•
Expires: 1923-12-02
Abstract
No abstract record available.
Inventors
- 👤 Adolph F Christmas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:07
CPC Classifications
H; H02; H02K; H02K33/00; H02K33/12
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) | 1907-10-25 | 1908-04-25 | 1908-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-10-25 | 1912-04-25 | 1912-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-10-25 | 1916-04-25 | 1916-10-25 | $7700.00 | Window Closed / Lapsed |