US2476885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer for microwave receivers
Assignee: Westinghouse Electric Corp
•
Filing: 1943-07-28
•
Granted: 1949-07-19
•
Expires: 1963-07-28
Abstract
No abstract record available.
Inventors
- 👤 Cyril E Mcclellan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:15
CPC Classifications
H; H03; H03D; H03D9/00; H03D9/06; H03D9/0608; H03D9/0625
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2141242A
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US2202035A
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US2223835A
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US2247217A
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US2216964A
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US2236004A
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US2253589A
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US2272066A
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US2280026A
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US2312919A
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US2293151A
Cited
US2419557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |