Patent US2442298A successfully refreshed from Google Patents.
US2442298A
Expired / Lapsed
US
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Modulated heat ray detector
Assignee: Motors Liquidation Co
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Filing: 1944-05-29
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Granted: 1948-05-25
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Expires: 1964-05-29
Abstract
No abstract record available.
Inventors
- 👤 Max D Liston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:02
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/02; G01J5/08; G01J5/0803; G01J5/0805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1475583A
Cited
US1901400A
Cited
US2032588A
Cited
US1954204A
Cited
DE671864C
Cited
US2133670A
Cited
US2114298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-25 | 1951-11-24 | 1952-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-25 | 1955-11-24 | 1956-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-25 | 1959-11-24 | 1960-05-25 | $7700.00 | Window Closed / Lapsed |