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US3486640A
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US
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Multi-speed control system for a load carrier in a warehouse system
Assignee: Triax Co
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Filing: 1965-04-07
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Granted: 1969-12-30
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Expires: 1985-04-07
Abstract
No abstract record available.
Inventors
- 👤 Jerome H Lemelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:38
CPC Classifications
B; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/0407; B65G1/0421
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1844514A
Cited
US1871164A
Cited
US2000703A
Cited
US2691448A
Cited
US3132753A
Cited
US3119501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |