Patent US2452945A successfully refreshed from Google Patents.
US2452945A
Expired / Lapsed
US
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Sealed electric motor and transmission
Assignee: Individual
•
Filing: 1945-05-09
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Granted: 1948-11-02
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Expires: 1965-05-09
Abstract
No abstract record available.
Inventors
- 👤 Ira E Mccabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:53
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/10; H02K49/104; H02K49/106; H02K5/00; H02K5/04; H02K5/12; H02K5/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US280322A
Cited
US1192706A
Cited
US1757840A
Cited
US1696132A
Cited
US2003163A
Cited
US2243555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-02 | 1952-05-03 | 1952-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-02 | 1956-05-03 | 1956-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-02 | 1960-05-03 | 1960-11-02 | $7700.00 | Window Closed / Lapsed |