US2596996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency superregenerative apparatus
Assignee: Leland Stanford Junior University
•
Filing: 1950-07-15
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Granted: 1952-05-20
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Expires: 1970-07-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:37
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/12; H; H01; H01J; H01J25/00; H01J25/02; H01J25/10; H03; H03D; H03D1/00; H03D1/26; H03D11/00; H03D11/02
Claims Analysis
Total Claims: 0
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US2242275A
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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) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |