US3467175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared detecting device
Assignee: Lummus Technology LLC
•
Filing: 1967-03-24
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Granted: 1969-09-16
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Expires: 1987-03-24
Abstract
No abstract record available.
Inventors
- 👤 Ward F O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:06
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/02; G01J5/08; G01J5/0037; G01J5/04; G01J5/041; G01J5/042; G01J5/044; G01J5/0818; G01J5/0893; Y; Y10; Y10S; Y10S165/00; Y10S165/001; Y10S165/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2275265A
Cited
US2448199A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |