US3046519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic vehicle detection system
Assignee: SPX Technologies Inc
•
Filing: 1959-10-28
•
Granted: 1962-07-24
•
Expires: 1979-10-28
Abstract
No abstract record available.
Inventors
- 👤 Morton A Polster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:12
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/01; G08G1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1982341A
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US2131993A
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US1995606A
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US2076724A
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US2333688A
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US2542983A
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US2454772A
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US2622140A
Cited
US2702342A
Cited
US2914764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |