US2632851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic radiating or receiving apparatus
Assignee: Individual
•
Filing: 1947-08-05
•
Granted: 1953-03-24
•
Expires: 1967-08-05
Abstract
No abstract record available.
Inventors
- 👤 Roland J Lees
- 👤 Henry G Booker
- 👤 Carl H Westcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:21
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1802524A
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US2129852A
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US2253501A
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GB503560A
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US2238770A
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FR883665A
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US2414266A
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US2407068A
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US2488419A
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US2434253A
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US2435988A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |