Patent US3396857A successfully refreshed from Google Patents.
US3396857A
Expired / Lapsed
US
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Stacker device
Assignee: Solo Cup Operating Corp
•
Filing: 1966-04-22
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Granted: 1968-08-13
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Expires: 1986-04-22
Abstract
No abstract record available.
Inventors
- 👤 Brown Jon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:24
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/30; B65G57/301; B65G57/302; B65B; B65B35/00; B65B35/30; B65B35/50; B65B35/52; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/114
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3054515A
Cited
US3225889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |