US2256679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction for double-walled insulated containers
Assignee: Linde Air Products Co
•
Filing: 1939-08-19
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Granted: 1941-09-23
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Expires: 1959-08-19
Abstract
No abstract record available.
Inventors
- 👤 Henry C Kornemann
- 👤 George H Zenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:10
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/12; F17C13/126; F16; F16L; F16L2101/00; F16L2101/30; F17C2201/00; F17C2201/01; F17C2201/0128; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/015; F17C2203/03; F17C2203/0304; F17C2203/0308; F17C2203/0325; F17C2203/0337; F17C2203/0345; F17C2203/035; F17C2203/0375; F17C2203/0379; F17C2203/0383; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2205/00; F17C2205/01; F17C2205/0103; F17C2205/0107; F17C2205/0153; F17C2205/018; F17C2205/03; F17C2205/0302; F17C2205/0311; F17C2205/0314; F17C2205/0323; F17C2205/0332; F17C2205/0379; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/03; F17C2221/031; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2250/00; F17C2250/04; F17C2250/0404; F17C2250/0408; F17C2260/00; F17C2260/03; F17C2260/031; F17C2260/033; Y; Y10; Y10S; Y10S62/00; Y10S62/13
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) | 1944-09-22 | 1945-03-24 | 1945-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-22 | 1949-03-24 | 1949-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-22 | 1953-03-24 | 1953-09-23 | $7700.00 | Window Closed / Lapsed |