US3473119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine testing circuit for connection across the ignition points of an internal combustion engine
Assignee: Allen Electric and Equipment Co
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Filing: 1966-10-12
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Granted: 1969-10-14
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Expires: 1986-10-12
Abstract
No abstract record available.
Inventors
- 👤 Anatolijs Mazurkevics
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:33
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G01P3/4802; G01P3/4807; F; F02; F02P; F02P17/00; G01R; G01R31/00; G01R31/005; G01R31/006
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) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |