Patent US1759757A successfully refreshed from Google Patents.
US1759757A
Expired / Lapsed
US
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Car-unloading device
Assignee: Individual
•
Filing: 1928-04-05
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Granted: 1930-05-20
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Expires: 1948-04-05
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Patten
- 👤 Michael A Vrabel
- 👤 John F Gombar
- 👤 William H Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:04
CPC Classifications
B; B65; B65G; B65G67/00; B65G2814/00; B65G2814/03; B65G2814/0347; B65G2814/0356; B65G2814/0359; B65G2814/0379; B65G2814/0385; B65G2814/0386; B65G2814/0389
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-05-19 | 1933-11-18 | 1934-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-05-19 | 1937-11-18 | 1938-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-05-19 | 1941-11-18 | 1942-05-20 | $7700.00 | Window Closed / Lapsed |