US3068466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple target display system
Assignee: Smith-Meeker Engineering Co
•
Filing: 1957-07-22
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Granted: 1962-12-11
•
Expires: 1977-07-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick A Lindley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:28
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2439050A
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US2715182A
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US2463529A
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US2561475A
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US2466590A
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US2604705A
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US2743357A
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US2806946A
Cited
US2858475A
Cited
GB756805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |