US2991900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light weight double-walled container
Assignee: Union Carbide Corp
•
Filing: 1958-10-15
•
Granted: 1961-07-11
•
Expires: 1978-10-15
Abstract
No abstract record available.
Inventors
- 👤 Richard M Poorman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:47
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0128; F17C2201/0176; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/015; F17C2203/03; F17C2203/0304; F17C2203/0337; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0643; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0332; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2223/04; F17C2223/042; F17C2223/046; F17C2223/047; F17C2260/00; F17C2260/01; F17C2260/011; F17C2260/017; F17C2270/00; F17C2270/01; F17C2270/0186; F17C2270/0189; Y; Y10; Y10S; Y10S220/00; Y10S220/918; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |