US2498957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna rotator
Assignee: Philips Home Products Inc
•
Filing: 1948-11-19
•
Granted: 1950-02-28
•
Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 Richard H Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:32
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1826963A
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US2237103A
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US2272431A
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US2264850A
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US2446024A
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US2458983A
Cited
US2427005A
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US2408369A
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US2437904A
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US2425312A
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US2450021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |