US3485093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine performance analyzer
Assignee: UNIVERSAL TESTPRODUCTS Inc
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Filing: 1967-12-01
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Granted: 1969-12-23
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Expires: 1987-12-01
Abstract
No abstract record available.
Inventors
- 👤 Don M Muller
- 👤 Lavar E Whittle
- 👤 Victor Chartrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:58
CPC Classifications
F; F02; F02P; F02P17/00; G; G01; G01M; G01M15/00; G01M15/04; G01M15/05; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G01P3/4802; G01P3/4807; G01P3/481; G01P3/489; G01R; G01R23/00; G01R23/02; G01R23/10
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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |