US2955671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction silencers for internal combustion engine carburetors
Assignee: Individual
•
Filing: 1955-08-16
•
Granted: 1960-10-11
•
Expires: 1975-08-16
Abstract
No abstract record available.
Inventors
- 👤 Leistritz Hans Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:40
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/12; F02M35/1205; F02M35/1227; F02M35/1233; F02M35/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1521400A
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US2323955A
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GB376528A
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US2114783A
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FR817517A
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US2152205A
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GB495962A
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US2328236A
Cited
US2512823A
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US2517623A
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US2511713A
Cited
US2705546A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |