Patent US2644594A successfully refreshed from Google Patents.
US2644594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wagon unloader
Assignee: International Motors LLC
•
Filing: 1950-12-09
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Granted: 1953-07-07
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Expires: 1970-12-09
Abstract
No abstract record available.
Inventors
- 👤 Victor J Komuchar
- 👤 John E Gammie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:00
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/006; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1529; Y10T74/1531
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US763779A
Cited
US800732A
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US836579A
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US1633557A
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US1946452A
Cited
GB488669A
Cited
US2340983A
Cited
US2454684A
Cited
US2555558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |