Patent US2863589A successfully refreshed from Google Patents.
US2863589A
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Gravimetric batch feeder
Assignee: Syntron Co
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Filing: 1956-09-24
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Granted: 1958-12-09
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Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 Philippovic Jachim Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:41
CPC Classifications
G; G01; G01G; G01G13/00; G01G13/24; G01G1/00; G01G1/18; G01G1/26; G01G1/36; G01G1/38; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18648; Y10T74/19; Y10T74/19614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1777670A
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US1922883A
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US2103400A
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US2276383A
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US2366075A
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US2322218A
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US2323440A
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US2618406A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |