Patent US2674702A successfully refreshed from Google Patents.
US2674702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protecting unit for oil filled submergible motors
Assignee: Reda Pump Co
•
Filing: 1952-06-23
•
Granted: 1954-04-06
•
Expires: 1972-06-23
Abstract
No abstract record available.
Inventors
- 👤 Arutunoff Armais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:21
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/132
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1879628A
Cited
US2293616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |