US2982214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic pump
Assignee: General Electric Co
•
Filing: 1957-06-19
•
Granted: 1961-05-02
•
Expires: 1977-06-19
Abstract
No abstract record available.
Inventors
- 👤 John T Cochran
- 👤 Gordon D Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:06
CPC Classifications
H; H02; H02K; H02K44/00; H02K44/02; H02K44/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB528091A
Cited
CH239816A
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US2652778A
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US2669931A
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US2655107A
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US2716943A
Cited
US2741984A
Cited
US2847936A
Cited
US2811107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |