US2464276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant energy directivity pattern scanner
Assignee: Unisys Corp
•
Filing: 1943-08-03
•
Granted: 1949-03-15
•
Expires: 1963-08-03
Abstract
No abstract record available.
Inventors
- 👤 Russell H Varian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:27
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1667792A
Cited
US1821386A
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US2041600A
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US2297202A
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US2226479A
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US2173858A
Cited
US2245660A
Cited
US2409944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |