Patent US3402120A successfully refreshed from Google Patents.
US3402120A
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US
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Electrohydraulic purification apparatus
Assignee: General Electric Co
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Filing: 1964-06-01
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Granted: 1968-09-17
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Allen Merton
- 👤 Edward C Schrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:17
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/4608; A; A23; A23B; A23B2/00; A23B2/10; A23B2/50; A23B2/505; A23B2/60; A61; A61L; A61L2/00; A61L2/02; B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; B01J3/00; B01J3/06; B01J3/08; C02F2201/00; C02F2201/46; C02F2201/461; C02F2201/46105; C02F2201/4616; C02F2201/46175; C02F2303/00; C02F2303/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |