US2972418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage rack unit accessory
Assignee: Ekco Products Co
•
Filing: 1958-04-25
•
Granted: 1961-02-21
•
Expires: 1978-04-25
Abstract
No abstract record available.
Inventors
- 👤 Donald S Burns
- 👤 John L Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:51
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/13; A47F5/135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |