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Patent US2770742A successfully refreshed from Google Patents.
US2770742A
Expired / Lapsed
US
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Impulse motor
Assignee: Individual
•
Filing: 1953-03-16
•
Granted: 1956-11-13
•
Expires: 1973-03-16
Abstract
No abstract record available.
Inventors
- 👤 Fuchs Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:48
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/06; H02K7/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1262326A
Cited
US1504595A
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GB356120A
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US1816102A
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GB452668A
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US2451840A
Cited
GB503588A
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US2481686A
Cited
US2559602A
Cited
US2656474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |