US3068371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible motor with a sealed rotor chamber
Assignee: Westinghouse Electric Corp
•
Filing: 1957-12-06
•
Granted: 1962-12-11
•
Expires: 1977-12-06
Abstract
No abstract record available.
Inventors
- 👤 Charles S Galtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:31
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/128; H02K5/1285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1697142A
Cited
US1440729A
Cited
DE404011C
Cited
US2153563A
Cited
US2310422A
Cited
DE836966C
Cited
US2787719A
Cited
US2789173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |