US2584025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevator bucket with suction barrier
Assignee: Individual
•
Filing: 1949-02-23
•
Granted: 1952-01-29
•
Expires: 1969-02-23
Abstract
No abstract record available.
Inventors
- 👤 William H Kelsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:25
CPC Classifications
B; B65; B65G; B65G47/00; B65G2812/00; B65G2812/02; B65G2812/02267; B65G2812/02415; B65G2812/02613; B65G2812/02673; B65G2812/02683; B65G2812/02693; B65G2812/02702; B65G2812/02712
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US885049A
Cited
US966237A
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US1167869A
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US1382610A
Cited
US1485631A
Cited
US1490122A
Cited
US1805489A
Cited
US2104431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |