US3521044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time-compression analog correlator (timac)
Assignee: United States Department of the Navy
•
Filing: 1968-01-31
•
Granted: 1970-07-21
•
Expires: 1988-01-31
Abstract
No abstract record available.
Inventors
- 👤 John P Costas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:17
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/19; G06G7/1928; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/26; G01S13/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2605361A
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US2897275A
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US2840308A
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US2958039A
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US3168699A
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US3145341A
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US3289154A
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US3373359A
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US3393364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-20 | 1974-01-19 | 1974-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-20 | 1978-01-19 | 1978-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-20 | 1982-01-19 | 1982-07-21 | $7700.00 | Window Closed / Lapsed |