US2602161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modulation system for craft guidance
Assignee: Unisys Corp
•
Filing: 1947-01-25
•
Granted: 1952-07-01
•
Expires: 1967-01-25
Abstract
No abstract record available.
Inventors
- 👤 Proskauer Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:50
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2116667A
Cited
US2208921A
Cited
US2258006A
Cited
US2204438A
Cited
US2267211A
Cited
US2288196A
Cited
US2255741A
Cited
US2283054A
Cited
US2368318A
Cited
US2241897A
Cited
US2288815A
Cited
US2344070A
Cited
US2377902A
Cited
US2416342A
Cited
US2402378A
Cited
US2412986A
Cited
US2485582A
Cited
US2462853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |