Patent US2391224A successfully refreshed from Google Patents.
US2391224A
Expired / Lapsed
US
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Apparatus for lifting and transferring materials
Assignee: CARTER MACHINE Co Ltd
•
Filing: 1944-08-10
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Granted: 1945-12-18
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Expires: 1964-08-10
Abstract
No abstract record available.
Inventors
- 👤 Carter Alfred Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:34
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/0053; A01D87/0069; Y; Y10; Y10S; Y10S414/00; Y10S414/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-12-17 | 1949-06-18 | 1949-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-17 | 1953-06-18 | 1953-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-17 | 1957-06-18 | 1957-12-18 | $7700.00 | Window Closed / Lapsed |