Patent US3381828A successfully refreshed from Google Patents.
US3381828A
Expired / Lapsed
US
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Filled-bag stacking palletizer
Assignee: Individual
•
Filing: 1966-02-07
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Granted: 1968-05-07
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Robert T Sheehan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:50
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/16; B65G57/20; B65G57/22; B65G57/11; B65G57/112; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2675928A
Cited
US2907447A
Cited
GB827324A
Cited
US2977002A
Cited
US3143222A
Cited
US3223253A
Cited
US3170564A
Cited
US3291010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |