US2787428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air traffic control apparatus
Assignee: Honeywell Inc
•
Filing: 1948-06-17
•
Granted: 1957-04-02
•
Expires: 1968-06-17
Abstract
No abstract record available.
Inventors
- 👤 Schuck Oscar Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1086729A
Cited
US1215815A
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US1947018A
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US1896805A
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US2171293A
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US2322225A
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US2280117A
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US2338536A
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US2320066A
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US2293570A
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US2423336A
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US2390383A
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US2374480A
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US2472129A
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US2364102A
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US2458361A
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US2515495A
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US2509632A
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US2508565A
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US2569328A
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US2612331A
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US2613339A
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US2599889A
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US2508082A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |