Patent US2932750A successfully refreshed from Google Patents.
US2932750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical electric motor housing
Assignee: US Electrical Motors Inc
•
Filing: 1957-11-14
•
Granted: 1960-04-12
•
Expires: 1977-11-14
Abstract
No abstract record available.
Inventors
- 👤 Arlin C Eisenhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:38
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190904928A
Cited
US1497513A
Cited
US1972315A
Cited
GB461218A
Cited
DE832635C
Cited
US2594003A
Cited
US2725343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |