US2443480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-driven vehicle
Assignee: Schwitzer Cummins Co
•
Filing: 1943-12-11
•
Granted: 1948-06-15
•
Expires: 1963-12-11
Abstract
No abstract record available.
Inventors
- 👤 Schwitzer Louis
- 👤 Roland John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:08
CPC Classifications
B; B62; B62D; B62D51/00; B62D51/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1814635A
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US2081256A
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US1999188A
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US1956766A
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US2305762A
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US2173277A
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US2306042A
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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) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |