Patent US2806580A successfully refreshed from Google Patents.
US2806580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can feeding mechanism
Assignee: FMC Corp
•
Filing: 1953-04-27
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Granted: 1957-09-17
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Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 Ernest P Tarot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:53
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/52; B65G47/68; B65G47/681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1662803A
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US683039A
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US738937A
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US1185329A
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US1548600A
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US1527337A
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US1870375A
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US2321387A
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US2535859A
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US2540181A
Cited
US2619216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |