US2833264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine
Assignee: JOHN ALTORFER
•
Filing: 1954-12-22
•
Granted: 1958-05-06
•
Expires: 1974-12-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Dailey
- 👤 Carl G A Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:27
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/11; F02B77/02; F05; F05C; F05C2251/00; F05C2251/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49249; Y10T29/49256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1792057A
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US2162789A
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US2101045A
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DE695708C
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US2445457A
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US2573116A
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US2588422A
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US2693789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |