US2548684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for simulating the operation of a radio object locating system
Assignee: Individual
•
Filing: 1946-04-30
•
Granted: 1951-04-10
•
Expires: 1966-04-30
Abstract
No abstract record available.
Inventors
- 👤 Roth Wilfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:34
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2039405A
Cited
US2252083A
Cited
US2444477A
Cited
US2312962A
Cited
US2326764A
Cited
US2416088A
Cited
US2359294A
Cited
US2399661A
Cited
US2438888A
Cited
US2465165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |