US2594263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic frequency control system
Assignee: Lanteris Space LLC
•
Filing: 1948-01-21
•
Granted: 1952-04-22
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Expires: 1968-01-21
Abstract
No abstract record available.
Inventors
- 👤 Allen C Munster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:08
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/02; H03J7/04; H03J7/047; G; G01; G01S; G01S7/00; G01S7/02; G01S7/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2243202A
Cited
US2425657A
Cited
US2420264A
Cited
US2410817A
Cited
US2425922A
Cited
US2434294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |