Patent US2664286A successfully refreshed from Google Patents.
US2664286A
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Apparatus for determining weight of material on conveyers
Assignee: B-I-F Ind Inc
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Filing: 1947-04-08
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Granted: 1953-12-29
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Expires: 1967-04-08
Abstract
No abstract record available.
Inventors
- 👤 Wilbur H Frazel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:38
CPC Classifications
G; G01; G01G; G01G11/00; G01G11/06; G01G11/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1739724A
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US1845437A
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US2212085A
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US2145903A
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US2371040A
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US2422167A
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US2394593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |