US2885590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Correlation system
Assignee: ENGINEERING LAB Inc
•
Filing: 1953-07-20
•
Granted: 1959-05-05
•
Expires: 1973-07-20
Abstract
No abstract record available.
Inventors
- 👤 William D Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:12
CPC Classifications
G; G06; G06F; G06F17/00; G06F17/10; G06F17/15; G01; G01S; G01S7/00; G01S7/02; G01S7/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2266401A
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US2412994A
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US2568265A
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US2643819A
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US2535303A
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US2718638A
Cited
US2657318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |