US2750247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Position recorder
Assignee: Raytheon Co
•
Filing: 1951-03-29
•
Granted: 1956-06-12
•
Expires: 1971-03-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Edwin E Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:25
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1084907A
Cited
US1123795A
Cited
US1293747A
Cited
US1746420A
Cited
GB384971A
Cited
US1958909A
Cited
US2437243A
Cited
US2561345A
Cited
US2467202A
Cited
US2516389A
Cited
US2534820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |