US2692980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine condition signal arrangement for automotive vehicles
Assignee: Individual
•
Filing: 1952-03-29
•
Granted: 1954-10-26
•
Expires: 1972-03-29
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Platt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:11
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/08; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2059410A
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US2131950A
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US2260576A
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US2156116A
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US2253425A
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US2224600A
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US2450199A
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US2582483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |