US3041609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Directional-antenna rotator
Assignee: Individual
•
Filing: 1956-07-30
•
Granted: 1962-06-26
•
Expires: 1976-07-30
Abstract
No abstract record available.
Inventors
- 👤 Hans W Rathenau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:32
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1796988A
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US2082506A
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US2105514A
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US2146603A
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US2272431A
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US2264850A
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US2436231A
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US2589174A
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US2566897A
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US2737655A
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US2861265A
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US2767363A
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US2794162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |