Patent US3017872A successfully refreshed from Google Patents.
US3017872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air injection system for an internal combustion engine
Assignee: Motors Liquidation Co
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Filing: 1960-03-04
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Granted: 1962-01-23
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Expires: 1980-03-04
Abstract
No abstract record available.
Inventors
- 👤 Candelise Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:07
CPC Classifications
F; F02; F02B; F02B47/00; F02B3/00; F02B1/00; F02B1/02; F02B1/04; F02B75/00; F02B75/02; F02B2075/022; F02B2075/027; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1832; F02B2720/00; F02B2720/22; F02B2720/226; F02B75/22; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |