Patent US3463335A successfully refreshed from Google Patents.
US3463335A
Expired / Lapsed
US
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Level-crowd control system for material handling loaders
Assignee: Baldwin Lima Hamilton Corp
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Filing: 1967-08-28
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Granted: 1969-08-26
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Expires: 1987-08-28
Abstract
No abstract record available.
Inventors
- 👤 Roy D Brownell
- 👤 Granville Woolman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:53
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42; E02F3/43; E02F3/435; E02F3/436; E02F3/30; E02F3/308; E02F3/425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3343693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |