US2561238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency means for supplying fuel to internal-combustion engines
Assignee: Individual
•
Filing: 1948-02-05
•
Granted: 1951-07-17
•
Expires: 1968-02-05
Abstract
No abstract record available.
Inventors
- 👤 Smit Jacobus Albertus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:33
CPC Classifications
F; F02; F02B; F02B1/00; F02M; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4383; F02M2700/4385; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7794; Y10T137/8593; Y10T137/86292; Y10T137/86324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US344654A
Cited
US694305A
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US1096901A
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US1341393A
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US1361418A
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US1399013A
Cited
US1490802A
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US1498709A
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US2237559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |