US2617951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid operated oscillating device
Assignee: Devlieg Bullard Inc
•
Filing: 1949-05-10
•
Granted: 1952-11-11
•
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 13:58
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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US2043331A
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US2296554A
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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 |