US2953688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant energy detector and magnetic space filter for use therein
Assignee: Westinghouse Electric Corp
•
Filing: 1957-06-06
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Granted: 1960-09-20
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Expires: 1977-06-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard F Maxwell
- 👤 Richard F Higby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:17
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/785; G01S3/786; G01S3/7864; F; F41; F41G; F41G7/00; F41G7/20; F41G7/22; F41G7/2253; F41G7/2273; F41G7/2293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23023E
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US1834905A
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US2392873A
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FR822388A
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US2237713A
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US2412822A
Cited
US2431625A
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US2403066A
Cited
US2653185A
Cited
US2813983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |