US2695369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible electric motor
Assignee: Robbins and Myers Inc
•
Filing: 1952-05-24
•
Granted: 1954-11-23
•
Expires: 1972-05-24
Abstract
No abstract record available.
Inventors
- 👤 Tom C Lloyd
- 👤 Sheldon S L Chang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:27
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191210655A
Cited
US2500802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |