US2787169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna rotating means
Assignee: Individual
•
Filing: 1954-01-28
•
Granted: 1957-04-02
•
Expires: 1974-01-28
Abstract
No abstract record available.
Inventors
- 👤 Robert E Farr
- 👤 Glen T Niederhauser
- 👤 Harry D Niederhauser
- 👤 Benjamin C Niederhauser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:34
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20474; Y10T74/20486; Y10T74/20576; Y10T74/20636; Y10T74/2066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1804333A
Cited
US2113817A
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US2195400A
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US2219844A
Cited
US2512514A
Cited
US2581123A
Cited
US2642754A
Cited
US2627833A
Cited
US2545003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |