Patent EP0420996A1 successfully refreshed from Google Patents.
US3447666A
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US
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Conveyor elevator apparatus
Assignee: Computerized Volumetric Conveyance Systems Inc
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Filing: 1966-08-29
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Granted: 1969-06-03
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Expires: 1986-08-29
Abstract
No abstract record available.
Inventors
- 👤 Jacob I Nevo-Hacohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:43
CPC Classifications
B; B65; B65G; B65G23/00; B65G23/24; B65G23/30; E; E04; E04H; E04H6/00; E04H6/08; E04H6/12; E04H6/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US235128A
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US2052513A
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GB653434A
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US2965049A
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US3031066A
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US3062358A
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US3172527A
Cited
US3166180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |