Patent US2951602A successfully refreshed from Google Patents.
US2951602A
Expired / Lapsed
US
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Dumping containers
Assignee: Dempster Brothers Inc
•
Filing: 1956-09-26
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Granted: 1960-09-06
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Expires: 1976-09-26
Abstract
No abstract record available.
Inventors
- 👤 Walden John Goodloe
- 👤 Edward Y F Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:55
CPC Classifications
B; B65; B65F; B65F3/00; B65F3/02; B65F3/04; B60; B60P; B60P1/00; B60P1/48; B60P1/50; B65F1/00; B65F1/12; B65F1/122; B65F2003/0263; B65F2003/0279
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |