US2862122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible dynamoelectric machine
Assignee: Westinghouse Electric Corp
•
Filing: 1955-03-14
•
Granted: 1958-11-25
•
Expires: 1975-03-14
Abstract
No abstract record available.
Inventors
- 👤 John J Courtin
- 👤 Charles W Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:07
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/132; B; B63; B63H; B63H23/00; B63H23/22; B63H23/24; B63H5/00; B63H5/07; B63H5/125
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1531724A
Cited
FR559354A
Cited
US1750818A
Cited
US2258064A
Cited
US2301340A
Cited
US2492141A
Cited
US2736825A
Cited
FR1087959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |