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US2487429A
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Antenna rotation control system
Assignee: Individual
•
Filing: 1947-01-30
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Granted: 1949-11-08
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Expires: 1967-01-30
Abstract
No abstract record available.
Inventors
- 👤 Edwards Charles Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:51
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G01; G01S; G01S3/00; G01S3/02; G01S3/14; G01S3/38; G01S3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1703317A
Cited
US1669107A
Cited
US1975023A
Cited
FR832512A
Cited
US2257757A
Cited
US2361956A
Cited
US2422180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |