US2528467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed control system for alternating current motors
Assignee: Odin Corp
•
Filing: 1944-09-25
•
Granted: 1950-10-31
•
Expires: 1964-09-25
Abstract
No abstract record available.
Inventors
- 👤 Bullict Leander Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:31
CPC Classifications
H; H02; H02P; H02P25/00; H02P25/16; H02P25/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE19853E
Cited
US1411862A
Cited
US1503213A
Cited
US1420858A
Cited
US1603137A
Cited
US1669518A
Cited
US1695035A
Cited
US1930279A
Cited
US2102911A
Cited
US2206920A
Cited
US2202172A
Cited
US2287459A
Cited
US2335860A
Cited
US2386581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |