US2431047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material loading and elevating device
Assignee: KWIK MIX Co
•
Filing: 1946-02-21
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Granted: 1947-11-18
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Expires: 1966-02-21
Abstract
No abstract record available.
Inventors
- 👤 Daniel C Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:07
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/04; B28C7/06; B28C7/08; B28C7/0835; B28C7/0847; B28C7/0852; B66; B66B; B66B17/00; B66B17/14; B66B17/26; B65; B65G; B65G2812/00; B65G2812/06; B65G2812/0609; B65G2812/0654; B65G2812/0663
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US973543A
Cited
US1232749A
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DE337423C
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US1449733A
Cited
GB363726A
Cited
US2042388A
Cited
US2353487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-17 | 1951-05-19 | 1951-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-17 | 1955-05-19 | 1955-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-17 | 1959-05-19 | 1959-11-18 | $7700.00 | Window Closed / Lapsed |