Patent US1447103A successfully refreshed from Google Patents.
US2428162A
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End bell for electrical machines
Assignee: ELECTRICAL ENGINEERING AND Manufacturing
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Filing: 1943-11-06
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Granted: 1947-09-30
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Expires: 1963-11-06
Abstract
No abstract record available.
Inventors
- 👤 Vaino A Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:13
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/14; H02K5/143; H02K5/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1168021A
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US1342583A
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US1412144A
Cited
AT112008B
Cited
US1808747A
Cited
US1934521A
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US2309316A
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US2379176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-29 | 1951-03-31 | 1951-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-29 | 1955-03-31 | 1955-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-29 | 1959-03-31 | 1959-09-30 | $7700.00 | Window Closed / Lapsed |