US2555200A
Expired / Lapsed
US
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Means for preparing fuel and air mixtures for internal-combustion motors
Assignee: WILSON H MADDEN
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Filing: 1948-07-26
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Granted: 1951-05-29
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Expires: 1968-07-26
Abstract
No abstract record available.
Inventors
- 👤 Nemnich Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:32
CPC Classifications
F; F02; F02M; F02M7/00; F02M7/12; F02M7/22; F02B; F02B1/00; F02B43/00; F02D; F02D17/00; F02D17/02; F02D17/023; F02D17/026; F02B2710/00; F02B2710/02; F02B2710/023; F02B2720/00; F02B2720/12; F02B2720/124; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30
Claims Analysis
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |