US2901645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction motors
Assignee: PORTO HOLDING Corp
•
Filing: 1956-09-18
•
Granted: 1959-08-25
•
Expires: 1976-09-18
Abstract
No abstract record available.
Inventors
- 👤 Harold E Sulger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:52
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/16; H02K1/00; H02K1/06; H02K1/12; H02K1/14; H02K1/145; H02K2213/00; H02K2213/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |