US2796180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unloader
Assignee: Heyl and Patterson Inc
•
Filing: 1955-02-09
•
Granted: 1957-06-18
•
Expires: 1975-02-09
Abstract
No abstract record available.
Inventors
- 👤 Bennie A Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:05
CPC Classifications
B; B65; B65G; B65G67/00; B65G2814/00; B65G2814/03; B65G2814/0397
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL2264C
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US606720A
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US652313A
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US677718A
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US1007762A
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US1281379A
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DE363053C
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US1547533A
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US1929004A
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DE876595C
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US2425342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |