Patent US2598445A successfully refreshed from Google Patents.
US2598445A
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Vapor charging system for internalcombustion engines
Assignee: Individual
•
Filing: 1949-09-03
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Granted: 1952-05-27
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Expires: 1969-09-03
Abstract
No abstract record available.
Inventors
- 👤 Harry H Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:35
CPC Classifications
F; F02; F02M; F02M25/00; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4373; F02M2700/4376
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE520759C
Cited
US1536364A
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US1614664A
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US1685598A
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US1899476A
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US2093918A
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US2275397A
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US2182874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |