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US2435232A
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Regulating the scavenging of free piston engines
Assignee: LIMA HAMILTON CORP
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Filing: 1945-11-10
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Granted: 1948-02-03
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Expires: 1965-11-10
Abstract
No abstract record available.
Inventors
- 👤 Willard A Morain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:56
CPC Classifications
F; F02; F02B; F02B71/00; F02B71/04
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) | 1951-02-02 | 1951-08-04 | 1952-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-02 | 1955-08-04 | 1956-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-02 | 1959-08-04 | 1960-02-03 | $7700.00 | Window Closed / Lapsed |