US2742618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phasing and magnitude adjusting circuit
Assignee: Collins Radio Co
•
Filing: 1951-12-29
•
Granted: 1956-04-17
•
Expires: 1971-12-29
Abstract
No abstract record available.
Inventors
- 👤 David W Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:05
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/38; H03H7/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1938092A
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US2449174A
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US2376667A
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US2470443A
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US2415799A
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US2498078A
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US2609510A
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US2523791A
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US2593361A
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US2691132A
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US2657362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |