US2406370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic oscillator-detector
Assignee: Leland Stanford Junior University
•
Filing: 1938-07-08
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Granted: 1946-08-27
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Expires: 1958-07-08
Abstract
No abstract record available.
Inventors
- 👤 William W Hansen
- 👤 Sigurd F Varian
- 👤 Russell H Varian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:21
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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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-08-26 | 1950-02-25 | 1950-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-26 | 1954-02-25 | 1954-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-26 | 1958-02-25 | 1958-08-27 | $7700.00 | Window Closed / Lapsed |