US2448235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for removing lead containing ingredients from hydrocarbon fuels
Assignee: AMERICAN GAS MACHINE Co
•
Filing: 1944-05-29
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Granted: 1948-08-31
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Expires: 1964-05-29
Abstract
No abstract record available.
Inventors
- 👤 Rasmussen Sophus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:22
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/02; C10G29/04; C10G31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US666785A
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US646558A
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US944456A
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US1594296A
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GB312200A
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US1962153A
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FR728741A
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US2397142A
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US2368261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |