US2420653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kiln charging means and method
Assignee: Great Western Sugar Co
•
Filing: 1944-02-05
•
Granted: 1947-05-20
•
Expires: 1964-02-05
Abstract
No abstract record available.
Inventors
- 👤 Avery A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:56
CPC Classifications
F; F27; F27B; F27B1/00; F27B1/10; F27B1/20; F27D; F27D3/00; F27D3/0033; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US597365A
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US719119A
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US850395A
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US1003524A
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FR537669A
Cited
US1668968A
Cited
US2113015A
Cited
US2277416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |