US3395690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine
Assignee: International Motors LLC
•
Filing: 1967-05-05
•
Granted: 1968-08-06
•
Expires: 1987-05-05
Abstract
No abstract record available.
Inventors
- 👤 Robert M Riley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:52
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/42; F02F1/4214; F02B; F02B23/00; F02B23/02; F02B23/06; F02B23/0696; F02M; F02M1/00; F02B2275/00; F02B2275/14; F02B23/0618; F02B23/0621; F02B23/0624; F02B23/0645; F02B3/00; F02B3/06; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02F2001/244; F02F2001/247; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4392; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125075A
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US1733696A
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GB587276A
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GB904573A
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DE1133180B
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US3074389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |