US2631264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic motor
Assignee: Kearney and Trecker Corp
•
Filing: 1949-09-12
•
Granted: 1953-03-10
•
Expires: 1969-09-12
Abstract
No abstract record available.
Inventors
- 👤 Albert G Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:51
CPC Classifications
H; H02; H02P; H02P8/00; H02P8/14; H02K; H02K37/00; H02K37/02; H02K37/04; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/26; H02P7/265
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1408758A
Cited
US1440729A
Cited
US1867925A
Cited
US1872313A
Cited
FR746276A
Cited
US2249029A
Cited
GB474859A
Cited
US2321699A
Cited
US2481172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |