US3024443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic speed monitor
Assignee: Laboratory For Electronics Inc
•
Filing: 1958-12-02
•
Granted: 1962-03-06
•
Expires: 1978-12-02
Abstract
No abstract record available.
Inventors
- 👤 John L Barker
- 👤 Bernard J Midlock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:02
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/42; G01P3/56; G01P3/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2091357A
Cited
US2150776A
Cited
US2181728A
Cited
US2472258A
Cited
US2621854A
Cited
US2532231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |