Patent US2790540A successfully refreshed from Google Patents.
US2790540A
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US
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Converying apparatus
Assignee: FMC Corp
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Filing: 1950-06-10
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Granted: 1957-04-30
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Expires: 1970-06-10
Abstract
No abstract record available.
Inventors
- 👤 Rene J Gaubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:19
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/42; B65B43/54; B65B43/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1309785A
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US1039785A
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US1027111A
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US1627391A
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US1858320A
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US1958341A
Cited
US2011839A
Cited
US2583106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |