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US2801752A
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Modular stacking unit
Assignee: Jarke Manufacturing Co
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Filing: 1954-12-03
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Granted: 1957-08-06
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Expires: 1974-12-03
Abstract
No abstract record available.
Inventors
- 👤 Richard S Jakubowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:25
CPC Classifications
A; A47; A47B; A47B81/00; A47B81/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1355486A
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US1791336A
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US1940242A
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US2046095A
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GB562189A
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US2591049A
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US2579655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |