US3050044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel economizer attachment for intake manifolds
Assignee: Individual
•
Filing: 1958-06-18
•
Granted: 1962-08-21
•
Expires: 1978-06-18
Abstract
No abstract record available.
Inventors
- 👤 Listen R Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:47
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/022; F02M25/0221; F02M25/0225; F02M25/025; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1324284A
Cited
US1398095A
Cited
US1475920A
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US1654984A
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US1578716A
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US1663163A
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US1706693A
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US1729398A
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US1852852A
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US1766363A
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US1783254A
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US2041198A
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US2293143A
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US2637307A
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US2557459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |