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Patent US2684162A successfully refreshed from Google Patents.
US2684162A
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Material handling machine
Assignee: Eimco Corp
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Filing: 1951-05-24
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Granted: 1954-07-20
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Expires: 1971-05-24
Abstract
No abstract record available.
Inventors
- 👤 Donald E Hendrickson
- 👤 Theodore N Hackett
- 👤 Daniel M Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:20
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/352; E02F3/348; E02F3/3486; E02F9/00; E02F9/08; E02F9/0808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1472907A
Cited
US1787716A
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US1906000A
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US2134582A
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US2159180A
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US2467029A
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US2495138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |