US3518471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor with ball bearing and end shield arrangement
Assignee: Emerson Electric Co
•
Filing: 1968-08-14
•
Granted: 1970-06-30
•
Expires: 1988-08-14
Abstract
No abstract record available.
Inventors
- 👤 Lawrance W Wightman
- 👤 Eugene F Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:12
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/07; F16C35/077; H; H02; H02K; H02K15/00; H02K15/16; H02K5/00; H02K5/04; H02K5/16; H02K5/173; H02K5/1732; F16C2380/00; F16C2380/26
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) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |