US3017540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glow plug igniter
Assignee: Ford Motor Co
•
Filing: 1957-10-29
•
Granted: 1962-01-16
•
Expires: 1977-10-29
Abstract
No abstract record available.
Inventors
- 👤 John J Lawser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:01
CPC Classifications
F; F23; F23Q; F23Q7/00; F23Q7/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2239175A
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US2553975A
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US2582890A
Cited
US2756811A
Cited
FR1069881A
Cited
US2776394A
Cited
US2795220A
Cited
US2941363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |