US2516567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical shaft motor
Assignee: General Electric Co
•
Filing: 1945-12-15
•
Granted: 1950-07-25
•
Expires: 1965-12-15
Abstract
No abstract record available.
Inventors
- 👤 Clarence L Hamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:22
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/173; H02K5/1732; F; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6603; F16C33/6607; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2380/00; F16C2380/26; F16C35/00; F16C35/04; F16C35/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1367519A
Cited
US1724902A
Cited
US1816507A
Cited
US1996610A
Cited
US2170036A
Cited
US2221457A
Cited
US2272554A
Cited
US2249501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |