US2945135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal-translating system
Assignee: Hazeltine Research Inc
•
Filing: 1957-04-12
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Granted: 1960-07-12
•
Expires: 1977-04-12
Abstract
No abstract record available.
Inventors
- 👤 Carl R Wilhelmsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:27
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2632046A
Cited
US2627039A
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US2629834A
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US2730632A
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US2792525A
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US2703368A
Cited
US2781448A
Cited
US2831987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |