US2878467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting and measuring the speed of moving objects by means of radio waves
Assignee: Eastern Ind Inc
•
Filing: 1954-01-21
•
Granted: 1959-03-17
•
Expires: 1974-01-21
Abstract
No abstract record available.
Inventors
- 👤 John L Barker
- 👤 Bernard J Midlock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:28
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/88; G01S13/91; G01S13/92
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE23403E
Cited
US2063614A
Cited
US2193361A
Cited
US2329558A
Cited
US2666132A
Cited
US2402464A
Cited
GB585988A
Cited
US2445895A
Cited
US2593120A
Cited
US2418389A
Cited
US2629865A
Cited
US2620470A
Cited
US2645769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |