US2239128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable insulated container
Assignee: American Flange and Manufacturing Co Inc
•
Filing: 1935-06-20
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Granted: 1941-04-22
•
Expires: 1955-06-20
Abstract
No abstract record available.
Inventors
- 👤 Sykes George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:00
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/38; B65D81/3813; B65D81/3818; B65D7/00; B65D7/12; B65D7/22; Y; Y10; Y10S; Y10S220/00; Y10S220/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-04-21 | 1944-10-21 | 1945-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-21 | 1948-10-21 | 1949-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-21 | 1952-10-21 | 1953-04-22 | $7700.00 | Window Closed / Lapsed |