Patent US3474296A successfully refreshed from Google Patents.
US3474296A
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US
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Low voltage cut-out device
Assignee: ELTOP CORP
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Filing: 1967-04-05
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Granted: 1969-10-21
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Expires: 1987-04-05
Abstract
No abstract record available.
Inventors
- 👤 Ronald P Rickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:04
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/165; G01R19/16533; G01R19/16538; G01R19/16542; H; H02; H02H; H02H11/00; H02H11/006; H02J; H02J9/00; H02J9/002; G01R31/00; G01R31/005; G01R31/006; G01R31/36; G01R31/3644; G01R31/3646; Y; Y10; Y10S; Y10S320/00; Y10S320/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3395288A
Cited
US3243658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |