US3484015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating food container
Assignee: DARREL J ROWAN
•
Filing: 1968-06-21
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Granted: 1969-12-16
•
Expires: 1988-06-21
Abstract
No abstract record available.
Inventors
- 👤 Darrel J Rowan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:23
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/38; B65D81/3813; B65D81/3816; Y; Y10; Y10S; Y10S220/00; Y10S220/902
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) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |