US2985870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine analyzer for detecting temperature with transducer and circuits
Assignee: Individual
•
Filing: 1953-10-28
•
Granted: 1961-05-23
•
Expires: 1973-10-28
Abstract
No abstract record available.
Inventors
- 👤 Jr John E Lindberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:50
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/06; G01; G01K; G01K11/00; G01K11/02; G01K11/04; G01L; G01L9/00; G01L9/18; G01M; G01M15/00; G01M15/04; G01M15/042; G01M15/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |