US2643022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation shield supports in vacuum insulated containers
Assignee: Union Carbide Corp
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Filing: 1947-08-15
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Granted: 1953-06-23
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Expires: 1967-08-15
Abstract
No abstract record available.
Inventors
- 👤 William D Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:00
CPC Classifications
A; A47; A47J; A47J41/00; A47J41/02; A47J41/022; A47J41/028; F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C2201/00; F17C2201/01; F17C2201/0128; F17C2201/03; F17C2201/032; F17C2201/05; F17C2201/058; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/015; F17C2203/018; F17C2203/03; F17C2203/0304; F17C2203/0308; F17C2203/0345; F17C2203/035; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0631; F17C2205/00; F17C2205/01; F17C2205/0153; F17C2205/018; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/012; F17C2221/014; F17C2221/016; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2265/00; F17C2265/03; F17C2265/031; F17C2270/00; F17C2270/01; F17C2270/0186; F17C2270/0189; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32; Y10; Y10S; Y10S165/00; Y10S165/904
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) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |