US2825240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic antenna rotator
Assignee: RADIART Corp
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Filing: 1954-10-14
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Granted: 1958-03-04
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Expires: 1974-10-14
Abstract
No abstract record available.
Inventors
- 👤 Donald E Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:14
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/005; F; F15; F15B; F15B7/00; F15B7/005; F15B7/008; F15B7/06; F15B7/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20492
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |