US2769434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overhead valve arrangement for engines
Assignee: Studebaker Packard Corp
•
Filing: 1953-11-04
•
Granted: 1956-11-06
•
Expires: 1973-11-04
Abstract
No abstract record available.
Inventors
- 👤 Julius E Witzky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:58
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/12; F01L1/18; F01L1/181; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02B2075/1804; F02B2075/1832; F02B2275/00; F02B2275/34; F02F; F02F1/00; F02F1/24; F02F1/26; F02F1/36; F02F1/38; F02F2001/244; F02F2001/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1311196A
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US1250426A
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US2252171A
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US2412457A
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US2669981A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |