Patent US2539459A successfully refreshed from Google Patents.
US2539459A
Expired / Lapsed
US
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Motor generator assembly
Assignee: Individual
•
Filing: 1948-07-17
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Granted: 1951-01-30
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Expires: 1968-07-17
Abstract
No abstract record available.
Inventors
- 👤 George M Myrmirides
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:27
CPC Classifications
H; H02; H02K; H02K47/00; H02K47/12; H02K47/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US748664A
Cited
US912144A
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US948817A
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US1769652A
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US1983896A
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US1889208A
Cited
US2087782A
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US2376421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |