US2584728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic relay
Assignee: General Electric Co
•
Filing: 1946-12-31
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Granted: 1952-02-05
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Expires: 1966-12-31
Abstract
No abstract record available.
Inventors
- 👤 Philip C Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:40
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/04; G; G01; G01G; G01G7/00; G01G7/02; H01; H01H; H01H47/00; H01H47/02; H01H47/20; H03; H03K; H03K17/00; H03K17/94; H03K17/965; H03K17/97; H03K2017/9706
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) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |