US2671853A
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Energy radiation apparatus
Assignee: Raytheon Co
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Filing: 1952-03-01
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Granted: 1954-03-09
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Expires: 1972-03-01
Abstract
No abstract record available.
Inventors
- 👤 Hilmer C Lindahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:28
CPC Classifications
A; A61; A61N; A61N5/00; A61N5/02; A61N5/04; H; H01; H01Q; H01Q19/00; H01Q19/10; Y; Y10; Y10S; Y10S248/00; Y10S248/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |