US2994494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll stabilization system for guided missiles utilizing simplified microwave modulating attenuator
Assignee: Individual
•
Filing: 1954-11-19
•
Granted: 1961-08-01
•
Expires: 1974-11-19
Abstract
No abstract record available.
Inventors
- 👤 Paul D Ulm
- 👤 Henry H George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:59
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/26; F42B10/28; F42B10/30; F41; F41G; F41G7/00; F41G7/20; F41G7/30; F41G7/301
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2603710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |