US2624784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronically controlled relay
Assignee: Individual
•
Filing: 1949-05-31
•
Granted: 1953-01-06
•
Expires: 1969-05-31
Abstract
No abstract record available.
Inventors
- 👤 Charles W Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:10
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/54; G03B27/545; H; H03; H03K; H03K17/00; H03K17/28; H03K17/288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2293425A
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US2306237A
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US2339750A
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US2337905A
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US2360721A
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US2363753A
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US2479274A
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US2515477A
Cited
US2492749A
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US2497681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |