US3528741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring velocity by the detection of scattered light
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1964-06-26
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Granted: 1970-09-15
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Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 Lee B Benson
- 👤 Edwin Nathaniel Kaufman
- 👤 Arnold David Nudell
- 👤 Robert Emmett Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:27
CPC Classifications
G; G01; G01S; G01S17/00; G01S17/02; G01S13/00; G01S13/02; G01S13/50; G01S13/58; G01S13/585; G01S13/587; G01S17/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3139617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |