US2495919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-reset time-delay electronic control system
Assignee: Hazeltine Research Inc
•
Filing: 1944-08-29
•
Granted: 1950-01-31
•
Expires: 1964-08-29
Abstract
No abstract record available.
Inventors
- 👤 Robert B J Brunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:41
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52; H03F1/54; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1728745A
Cited
US1946615A
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US2100195A
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US2287926A
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US2279007A
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US2282182A
Cited
US2304207A
Cited
US2354086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |