Patent US2643513A successfully refreshed from Google Patents.
US2643513A
Expired / Lapsed
US
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Internal-combustion engine fuel and speed control
Assignee: Niles Bement Pond Co
•
Filing: 1949-04-08
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Granted: 1953-06-30
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Expires: 1969-04-08
Abstract
No abstract record available.
Inventors
- 👤 Ii Leighton Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:12
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/28; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2245562A
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US2306953A
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US2441943A
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US2407982A
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US2472181A
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US2411065A
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US2581275A
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GB595152A
Cited
US2509648A
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US2457595A
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US2514674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |