US2856522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase detector
Assignee: Bendix Aviation Corp
•
Filing: 1953-09-16
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Granted: 1958-10-14
•
Expires: 1973-09-16
Abstract
No abstract record available.
Inventors
- 👤 John F Bachmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:21
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/522; G01S13/524; H; H03; H03D; H03D3/00; H03D3/02; H03D3/06; H03D3/08; H03D3/10; H03K; H03K4/00; H03K4/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1899580A
Cited
US1998322A
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US2280545A
Cited
US2700103A
Cited
US2510710A
Cited
US2494751A
Cited
US2568250A
Cited
US2586119A
Cited
US2564471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |