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US2831322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injector igniter plug
Assignee: Motors Liquidation Co
•
Filing: 1952-12-29
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Granted: 1958-04-22
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Expires: 1972-12-29
Abstract
No abstract record available.
Inventors
- 👤 Fortunato F Barberis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:08
CPC Classifications
F; F02; F02P; F02P15/00; F02P15/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB156779A
Cited
DE487032C
Cited
US2090039A
Cited
US2411065A
Cited
GB621789A
Cited
GB619354A
Cited
US2480147A
Cited
US2617399A
Cited
US2701445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |