US2948382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Box stacking mechanism
Assignee: POMONA FOUNDRY Inc
•
Filing: 1956-12-04
•
Granted: 1960-08-09
•
Expires: 1976-12-04
Abstract
No abstract record available.
Inventors
- 👤 Kenneth F Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:50
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/30; B65G57/305; B65G57/308
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2609111A
Cited
US2550587A
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US2641371A
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US2602554A
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US2687813A
Cited
US2675119A
Cited
US2748917A
Cited
US2857040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |