Patent US2617951A successfully refreshed from Google Patents.
US2617951A
Expired / Lapsed
US
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Solenoid operated oscillating device
Assignee: Devlieg Bullard Inc
•
Filing: 1949-05-10
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Granted: 1952-11-11
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Expires: 1969-05-10
Abstract
No abstract record available.
Inventors
- 👤 Max L Jeffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:23
CPC Classifications
H; H02; H02K; H02K33/00; H02K33/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US615418A
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US734387A
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US1126084A
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US1150169A
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US1619677A
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US1568210A
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US1765768A
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US1793858A
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US1886040A
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US2043331A
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US2296554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |