US2491630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine constructed of sections bolted together along vertical plane to form an entire head, block, and crankcase thereof
Assignee: COMPACT POWER PRODUCTS Inc
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Filing: 1946-08-05
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Granted: 1949-12-20
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Expires: 1966-08-05
Abstract
No abstract record available.
Inventors
- 👤 Voorhies Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:37
CPC Classifications
F; F01; F01B; F01B1/00; F01B1/12; F02; F02F; F02F7/00; F02F7/0021; F02F7/0031; Y; Y10; Y10S; Y10S123/00; Y10S123/06; Y10S123/08; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49231; Y10T29/49826; Y10T29/49893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE246209C
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US1423365A
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US1402695A
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US1540172A
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US2337661A
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US2383065A
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US2397434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-19 | 1953-06-20 | 1953-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-19 | 1957-06-20 | 1957-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-19 | 1961-06-20 | 1961-12-20 | $7700.00 | Window Closed / Lapsed |