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US2597496A
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US
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Earth mover and loader
Assignee: Individual
•
Filing: 1948-01-02
•
Granted: 1952-05-20
•
Expires: 1968-01-02
Abstract
No abstract record available.
Inventors
- 👤 Clarence L Jeffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:11
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/3405; Y; Y10; Y10S; Y10S37/00; Y10S37/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2269502A
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GB536317A
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US2301641A
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US2339518A
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US2328715A
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US2409302A
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US2415515A
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US2458274A
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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) | 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 |