US2982856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tunable infrared apparatus and methods
Assignee: RCA Corp
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Filing: 1955-06-27
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Granted: 1961-05-02
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Expires: 1975-06-27
Abstract
No abstract record available.
Inventors
- 👤 Paul R Camp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:33
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/12; G01; G01J; G01J5/00; G01J5/10; G01J5/28; G01J5/60; G01J5/602
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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |