Patent US2597831A successfully refreshed from Google Patents.
US2597831A
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Automatic weighing device for the feedbox of carding machines
Assignee: Arthur G Russell Co Inc
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Filing: 1947-03-04
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Granted: 1952-05-20
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Expires: 1967-03-04
Abstract
No abstract record available.
Inventors
- 👤 Grant N Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:29
CPC Classifications
G; G01; G01G; G01G7/00; G01G7/02; D; D01; D01G; D01G23/00; D01G23/02; D01G23/04; D01G23/045; G01G17/00; G01G17/02; G01G5/00; Y; Y10; Y10S; Y10S177/00; Y10S177/05; Y10S33/00; Y10S33/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |