US3406562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
On-line exhaust data analysis system
Assignee: Motors Liquidation Co
•
Filing: 1966-01-14
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Granted: 1968-10-22
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Expires: 1986-01-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank Perna
- 👤 Anthony A Sperling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:23
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/75; F; F02; F02D; F02D41/00; F02D41/02; F02D41/14; F02D41/1438; F02D41/1439; F02D41/1441; G01; G01M; G01M15/00; G01M15/04; G01M15/10; G01M15/102; G01M15/108; G06G7/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1729732A
Cited
US2130900A
Cited
US3108929A
Cited
US2999383A
Cited
US3284165A
Cited
US3309684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |