US2593071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Object motion indicating system
Assignee: Lanteris Space LLC
•
Filing: 1947-03-21
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Granted: 1952-04-15
•
Expires: 1967-03-21
Abstract
No abstract record available.
Inventors
- 👤 David E Sunstein
- 👤 Arthur H Mankin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:39
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/522; G01S13/524; G01S13/534; G01S13/87
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2277464A
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US2407169A
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US2427219A
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US2433283A
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US2418156A
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US2451822A
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US2524296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |