Patent US2578138A successfully refreshed from Google Patents.
US2578138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension
Assignee: Old Carco LLC
•
Filing: 1945-08-29
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Granted: 1951-12-11
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Expires: 1965-08-29
Abstract
No abstract record available.
Inventors
- 👤 Robert N Janeway
- 👤 Philip H Pretz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:00
CPC Classifications
B; B60; B60G; B60G15/00; B60G15/02; B60G15/06; B60G15/062; B60G15/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1702675A
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US1655786A
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GB400134A
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US2093259A
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GB465550A
Cited
FR844796A
Cited
US2260634A
Cited
US2338478A
Cited
US2314505A
Cited
US2299935A
Cited
US2387732A
Cited
GB570183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |