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US3160308A
Expired / Lapsed
US
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Nesting and stacking receptacle
Assignee: Ekco Products Co
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Filing: 1963-06-18
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Granted: 1964-12-08
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Expires: 1983-06-18
Abstract
No abstract record available.
Inventors
- 👤 Wilbert K Hare
- 👤 Kaufman Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:47
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D21/04; B65D21/043; B65D21/046
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) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |