US2733826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for elevating and delivering articles
Assignee: LOUIS BERKMAN COMPANY
•
Filing: —
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Granted: 1956-02-07
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Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:41
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/02; B65G49/04; B65G49/0409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2603372A
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US748545A
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US856996A
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US1760509A
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US1776414A
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US2172386A
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US2125547A
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US2261178A
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US2555574A
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US2421365A
Cited
US2682404A
Cited
US2671861A
Cited
US2649983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |