US2668925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric machine construction
Assignee: Kearfott Co Inc
•
Filing: 1949-04-05
•
Granted: 1954-02-09
•
Expires: 1969-04-05
Abstract
No abstract record available.
Inventors
- 👤 Dwight W Bloser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:24
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/50; H02K5/00; H02K5/04; H02K5/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49696
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB137089A
Cited
US1425308A
Cited
US2107481A
Cited
US1852829A
Cited
US2123933A
Cited
US2311805A
Cited
US2329151A
Cited
US2423345A
Cited
US2483024A
Cited
US2485408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |