US3158787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glow plugs equipped with armoured resistances
Assignee: Industrie Magneti Marelli SRL
•
Filing: 1961-06-20
•
Granted: 1964-11-24
•
Expires: 1981-06-20
Abstract
No abstract record available.
Inventors
- 👤 Testerini Francesco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:57
CPC Classifications
F; F23; F23Q; F23Q7/00; F23Q7/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1362227A
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US1454549A
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US1590891A
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US2487753A
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US2499961A
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US2506768A
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US2672546A
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US2884920A
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US2898571A
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US3067311A
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GB859659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |