Patent US2349881A successfully refreshed from Google Patents.
US2480868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guided missile control system
Assignee: Individual
•
Filing: 1945-08-28
•
Granted: 1949-09-06
•
Expires: 1965-08-28
Abstract
No abstract record available.
Inventors
- 👤 Charles J Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:32
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/22; F41G7/2206; G; G05; G05D; G05D1/00; G05D1/0011
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1660886A
Cited
US1587121A
Cited
GB371421A
Cited
DE632612C
Cited
US2148954A
Cited
US2267715A
Cited
US2417446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |